primary processor的用法和样例：
例句
- The first requirement is a speedy main processor.
首先需要的是一个快速的主处理器。 - Often, the polling routine is part of the operating system, but having the operating system generate the signals wastes a great deal of the main processor's valuable time.
通常，查询子程序是操作系统的一部分，但是由操作系统产生查询信号浪费了大量的主处理器的有用时间。
