But even that is sharply limited: Any other periodic tasks ( such as pinging a remote server) will need their own version of oncePerSecond, a clear violation of the Don't Repeat Yourself rule. 但甚至这样也是极端受限的:其他任何周期任务(比如ping远程服务器)将需要各自版本的oncePerSecond,这很明显违反了“不要重复自己”的规则。
To test whether the value that you have chosen is satisfactory, you can try pinging the exact value that is entered in the wizard from one of the development machines. 为了测试您所选择的数值是否令人满意,您可以使用hostname的值作为ping命令的参数去检测是否能够访问到主机。
On mobile devices, it might also include scanning cell towers and pinging GPS satellites. 在移动设备上,可能还会涉及到扫描无线发射塔和pingGPS卫星。
Too much to do, not enough time. Deadlines looming ( or whizzing past), phone ringing, emails pinging. 你有很多事要做,而没有足够的时间,最后期限也即将到来。电话在响,邮件提醒在闪。
It takes a lot of pinging back and forth in a thicket of carbon atoms to find an exit. This action is what gives diamonds their dazzling sparkle. 光子要在错综复杂的碳原子间反复冲撞才能找到出路。而这就是钻石闪耀着令人眩目的光辉的原因。
Sometimes we would also try to hit the hubcaps of passing cars and, when we succeeded, it made a loud pinging noise. 有时我们还砸过往车辆的毂盖,每当击中了就会响亮地发出砰的一声。