检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 上海电信9.315ms | 江苏无锡电信299.165ms | 46.642ms |
| 电信 | 上海电信9.315ms | 江苏无锡电信299.165ms | 56.988ms |
| 移动 | 湖北鄂州移动28.221ms | 陕西渭南移动57.416ms | 44.454ms |
| 联通 | -16.932ms | -53.708ms | 35.35ms |
| 华东 | 上海电信9.315ms | 江苏无锡电信299.165ms | 60.772ms |
| 华北 | -29.458ms | -42.235ms | 35.669ms |
| 华南 | 广东广州移动30.898ms | -53.708ms | 42.212ms |
| 华中 | 湖北鄂州移动28.221ms | 河南驻马店联通32.957ms | 30.589ms |
| 西北 | 陕西西安联通31.736ms | 陕西渭南移动57.416ms | 43.076ms |
| 西南 | 贵州贵阳联通41.026ms | 云南昆明移动48.445ms | 44.736ms |
| 东北 | 辽宁大连移动49.159ms | 黑龙江绥化移动52.584ms | 50.872ms |
|
检测点
运营商
检测节点
|
解析IP | 丢包率 |
最大时间 |
最小时间 |
平均时间 |
操作 |
|---|---|---|---|---|---|---|
|
电信
重庆
|
103.21.141.130 （上海电信） | 100% | * ms | * ms | * ms |
发送：5 接收：0 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes --- dupine.com.cn ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss |
|
电信
内蒙古
|
103.21.141.130 （上海电信） | 0% | 43.599 ms | 41.198 ms | 42.235 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=118 time=42.816 ms 64 bytes from 103.21.141.130: seq=1 ttl=118 time=41.198 ms 64 bytes from 103.21.141.130: seq=2 ttl=118 time=41.858 ms 64 bytes from 103.21.141.130: seq=3 ttl=118 time=43.599 ms 64 bytes from 103.21.141.130: seq=4 ttl=118 time=41.707 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 41.198/42.235/43.599 ms |
|
电信
北京
|
103.21.141.130 （上海电信） | 0% | 32.219 ms | 28.37 ms | 29.458 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=118 time=28.629 ms 64 bytes from 103.21.141.130: seq=1 ttl=118 time=28.370 ms 64 bytes from 103.21.141.130: seq=2 ttl=118 time=32.219 ms 64 bytes from 103.21.141.130: seq=3 ttl=118 time=29.425 ms 64 bytes from 103.21.141.130: seq=4 ttl=118 time=28.649 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 28.370/29.458/32.219 ms |
|
电信
河北
|
103.21.141.130 （上海电信） | 0% | 33.911 ms | 28.104 ms | 29.868 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=120 time=29.508 ms 64 bytes from 103.21.141.130: seq=1 ttl=120 time=28.104 ms 64 bytes from 103.21.141.130: seq=2 ttl=120 time=33.911 ms 64 bytes from 103.21.141.130: seq=3 ttl=120 time=29.553 ms 64 bytes from 103.21.141.130: seq=4 ttl=120 time=28.267 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 28.104/29.868/33.911 ms |
|
电信
安徽合肥
|
103.21.141.130 （上海电信） | 0% | 16.953 ms | 13.961 ms | 15.112 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=119 time=14.750 ms 64 bytes from 103.21.141.130: seq=1 ttl=119 time=13.961 ms 64 bytes from 103.21.141.130: seq=2 ttl=119 time=15.090 ms 64 bytes from 103.21.141.130: seq=3 ttl=119 time=14.809 ms 64 bytes from 103.21.141.130: seq=4 ttl=119 time=16.953 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 13.961/15.112/16.953 ms |
|
电信
福建漳州
|
103.21.141.130 （上海电信） | 0% | 26.451 ms | 24.541 ms | 25.266 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=120 time=24.707 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=120 time=25.880 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=120 time=26.451 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=120 time=24.541 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=120 time=24.748 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4119ms rtt min/avg/max/mdev = 24.541/25.266/26.451/0.760 ms |
|
电信
江苏无锡
|
103.21.141.130 （上海电信） | 0% | 301.676 ms | 297.411 ms | 299.165 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=118 time=297.411 ms 64 bytes from 103.21.141.130: seq=1 ttl=118 time=299.366 ms 64 bytes from 103.21.141.130: seq=2 ttl=118 time=301.676 ms 64 bytes from 103.21.141.130: seq=3 ttl=118 time=299.074 ms 64 bytes from 103.21.141.130: seq=4 ttl=118 time=298.302 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 297.411/299.165/301.676 ms |
|
电信
江西宜春
|
103.21.141.130 （上海电信） | 0% | 63.305 ms | 24.1 ms | 36.31 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=120 time=25.436 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=120 time=24.100 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=120 time=25.047 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=120 time=63.305 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=120 time=43.661 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4050ms rtt min/avg/max/mdev = 24.100/36.310/63.305/15.342 ms |
|
电信
青海西宁
|
103.21.141.130 （上海电信） | 0% | 49.733 ms | 44.904 ms | 46.738 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=119 time=47.436 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=119 time=46.088 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=119 time=49.733 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=119 time=45.528 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=119 time=44.904 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4122ms rtt min/avg/max/mdev = 44.904/46.738/49.733/1.715 ms |
|
电信
陕西渭南
|
103.21.141.130 （上海电信） | 0% | 38.092 ms | 34.461 ms | 36.412 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=120 time=35.925 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=120 time=36.927 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=120 time=36.656 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=120 time=34.461 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=120 time=38.092 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4090ms rtt min/avg/max/mdev = 34.461/36.412/38.092/1.199 ms |
|
电信
上海
|
103.21.141.130 （上海电信） | 0% | 10.565 ms | 8.21 ms | 9.315 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=119 time=10.067 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=119 time=8.210 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=119 time=9.408 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=119 time=8.323 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=119 time=10.565 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4064ms rtt min/avg/max/mdev = 8.210/9.315/10.565/0.931 ms |
|
移动
广东广州
|
103.21.141.130 （上海电信） | 0% | 33.164 ms | 29.435 ms | 30.898 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=116 time=31.231 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=116 time=29.435 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=116 time=30.559 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=116 time=30.103 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=116 time=33.164 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4132ms rtt min/avg/max/mdev = 29.435/30.898/33.164/1.275 ms |
|
移动
黑龙江绥化
|
103.21.141.130 （上海电信） | 0% | 54.549 ms | 51.431 ms | 52.584 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=115 time=51.838 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=115 time=51.431 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=115 time=53.644 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=115 time=54.549 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=115 time=51.459 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4082ms rtt min/avg/max/mdev = 51.431/52.584/54.549/1.275 ms |
|
移动
湖北鄂州
|
103.21.141.130 （上海电信） | 0% | 28.669 ms | 27.701 ms | 28.221 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=117 time=28.435 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=117 time=28.303 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=117 time=27.996 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=117 time=27.701 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=117 time=28.669 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4112ms rtt min/avg/max/mdev = 27.701/28.221/28.669/0.339 ms |
|
移动
辽宁大连
|
103.21.141.130 （上海电信） | 0% | 50.527 ms | 48.35 ms | 49.159 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=116 time=50.527 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=116 time=48.350 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=116 time=48.800 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=116 time=49.410 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=116 time=48.708 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4146ms rtt min/avg/max/mdev = 48.350/49.159/50.527/0.764 ms |
|
移动
陕西渭南
|
103.21.141.130 （上海电信） | 0% | 79.181 ms | 41.748 ms | 57.416 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=114 time=57.893 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=114 time=41.748 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=114 time=64.823 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=114 time=79.181 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=114 time=43.435 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4083ms rtt min/avg/max/mdev = 41.748/57.416/79.181/13.926 ms |
|
移动
云南昆明
|
103.21.141.130 （上海电信） | 0% | 52.093 ms | 46.466 ms | 48.445 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=113 time=49.171 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=113 time=47.825 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=113 time=52.093 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=113 time=46.466 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=113 time=46.669 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4128ms rtt min/avg/max/mdev = 46.466/48.445/52.093/2.063 ms |
|
联通
安徽
|
103.21.141.130 （上海电信） | 0% | 17.413 ms | 16.453 ms | 16.932 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=116 time=16.868 ms 64 bytes from 103.21.141.130: seq=1 ttl=116 time=17.413 ms 64 bytes from 103.21.141.130: seq=2 ttl=116 time=17.295 ms 64 bytes from 103.21.141.130: seq=3 ttl=116 time=16.631 ms 64 bytes from 103.21.141.130: seq=4 ttl=116 time=16.453 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 16.453/16.932/17.413 ms |
|
联通
广西
|
103.21.141.130 （上海电信） | 0% | 57.177 ms | 51.745 ms | 53.708 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=116 time=54.764 ms 64 bytes from 103.21.141.130: seq=1 ttl=116 time=51.745 ms 64 bytes from 103.21.141.130: seq=2 ttl=116 time=57.177 ms 64 bytes from 103.21.141.130: seq=3 ttl=116 time=52.955 ms 64 bytes from 103.21.141.130: seq=4 ttl=116 time=51.900 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 51.745/53.708/57.177 ms |
|
联通
广东东莞
|
103.21.141.130 （上海电信） | 0% | 53.35 ms | 38.622 ms | 42.029 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=116 time=53.350 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=116 time=39.328 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=116 time=39.185 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=116 time=39.660 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=116 time=38.622 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4054ms rtt min/avg/max/mdev = 38.622/42.029/53.350/5.670 ms |
|
联通
贵州贵阳
|
103.21.141.130 （上海电信） | 0% | 42.134 ms | 40.102 ms | 41.026 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=115 time=40.102 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=115 time=41.540 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=115 time=42.134 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=115 time=40.628 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=115 time=40.724 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4096ms rtt min/avg/max/mdev = 40.102/41.026/42.134/0.720 ms |
|
联通
河南驻马店
|
103.21.141.130 （上海电信） | 0% | 34.724 ms | 31.982 ms | 32.957 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=117 time=32.740 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=117 time=32.043 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=117 time=33.299 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=117 time=34.724 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=117 time=31.982 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4111ms rtt min/avg/max/mdev = 31.982/32.957/34.724/1.007 ms |
|
联通
山东济南
|
103.21.141.130 （上海电信） | 0% | 23.941 ms | 22.181 ms | 23.302 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130): 56 data bytes 64 bytes from 103.21.141.130: seq=0 ttl=116 time=22.181 ms 64 bytes from 103.21.141.130: seq=1 ttl=116 time=23.529 ms 64 bytes from 103.21.141.130: seq=2 ttl=116 time=22.978 ms 64 bytes from 103.21.141.130: seq=3 ttl=116 time=23.882 ms 64 bytes from 103.21.141.130: seq=4 ttl=116 time=23.941 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max = 22.181/23.302/23.941 ms |
|
联通
山西长治
|
103.21.141.130 （上海电信） | 0% | 42.517 ms | 38.785 ms | 41.113 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=117 time=38.785 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=117 time=41.089 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=117 time=41.889 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=117 time=42.517 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=117 time=41.285 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4122ms rtt min/avg/max/mdev = 38.785/41.113/42.517/1.266 ms |
|
联通
陕西西安
|
103.21.141.130 （上海电信） | 0% | 32.658 ms | 30.995 ms | 31.736 ms |
发送：5 接收：5 包大小：64 详情：
PING dupine.com.cn (103.21.141.130) 56(84) bytes of data. 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=1 ttl=117 time=30.995 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=2 ttl=117 time=32.658 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=3 ttl=117 time=32.192 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=4 ttl=117 time=31.578 ms 64 bytes from dupine.com.cn (103.21.141.130): icmp_seq=5 ttl=117 time=31.255 ms --- dupine.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4100ms rtt min/avg/max/mdev = 30.995/31.736/32.658/0.610 ms |
查询结果仅供参考，不保证100%准确。
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