The meteorological data gathering task ran as an infrequent, low priority thread, and used the information bus to publish its data.

气象数据进程负责把收集到的气象数据放到数据总线上，运行不频繁，是低优先级进程。

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A low priority thread (at priority P3) acquires the lock on an object and is pre-empted by a higher priority thread (at priority P1), as the specification mandates.

就像规范要求的那样，一个低优先级线程(优先级p3)获取了一个对象的锁，会被一个高优先级(优先级p1)的线程夺取执行权。

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Default JIT compilation, whereby the JIT compiler thread runs at low priority.

默认JIT编译，JIT编译器线程在较低优先级上运行。

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