pings

You can have your subs emit sonar pings to see other objects, but these pings will give away their location to any listening devices.
你可以让你的潜艇发出声纳响声去寻找其他的目标，但是这些响声会把你的位置暴露给任何收听设备。
It "pings" nearby cell-phone towers about every seven seconds so it can be ready to make and receive calls.
每隔7秒钟，手机需要向附近的手机发射塔发射脉冲信号，才能正常接打电话。
DENG Xiao pings idea of tourism economy possesses the creative and directive, systematic and epoch making as well as foreseeing features.
邓小平旅游经济思想形成的标志，是其具有的创新性、指导性、系统性、时代性和前瞻性。
Metal tested to endurance creaks and groans; a sonar pings just often enough to maximise the tension.
检测水压承受力的金属嘎吱作响、发出哀嚎；声纳（声波定位仪）发出的声音常常刚刚达到张力的最大值。
That is, an external program pings the system, and if the system does not respond to the ping, then an alarm is raised.
即一个外部程序对系统进行ping测试，如果系统不响应ping测试，就会触发警报。
The history of pings for a host can be viewed in a chart in different views next to some statistical analysis.
对于计算机的监测历史可以多种图表方式查看以作状态分析。
Gets or sets a value indicating the time interval at which the ISAPI extension pings the worker process to determine whether it is running.
获取或设置一个指示时间间隔的值，每隔一个该时间间隔ISAPI扩展会对辅助进程使用ping命令以确定其是否在运行。
When turned on, cell phones "checkin" with nearby towers every few minutes, leaving an electronic trailof "pings" for rescuers to follow.
当开机时，手机每隔数分钟会与附近的塔“检查”，留下一个电子“pings”的踪迹让救援人员跟随。
If you do not use a firewall or you use one that does let pings of SPD.
如果您不使用一个防火墙或您使用一让SPD。
Should there still be no pings coming through, chances are your Internet provider may be filtering such data out.
如果有仍然是没有砰通过，机会是您的互联网提供者也许过滤掉这样数据。