We'll just say here that a process must often wait for some event to occur, such as for a disk operation to terminate, a system resource to be released, or a fixed interval of time to elapse.
我们在这里只说，进程经常必须等待某些事件的发生。例如，等待一个磁盘操作的终止，等待释放系统资源，或者等待时间经过固定的间隔。
Simulation results show that compared with fixed training interval schemes, the improved algorithm can achieve better BER (Bit Error Rate) performance while keeping lower system overhead.
与采用固定训练周期相比，该方法可以在保证比较低的导频开销的同时，使系统获得更好的误比特性能。
Searching for devices at a fixed interval means that the information system could obtain lots of information about different Bluetooth devices.
间隔固定时间搜索设备能使信息系统收集到不同蓝牙设备的很多信息。
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