如果在任意方向上的空间移位大于我们先前设定的阈值，就按照两个方向上移动的量增加总偏差。
If the dimensional shift in either direction is greater than our previously set threshold, increment the total deviation by the amount moved in both directions.
由于任意工作量的一个线程或进程的上下文切换涉及到的开销较大，小粒度级的系统往往效率低下且遭遇低性能问题。
Due to the overhead involved in context switching to a thread or process for any amount of work, systems with small-scope granularity are often inefficient and suffer from low performance.
你选哪一个并不重要，两者任意一个月里的工作量都很少。
It doesn't really matter which one you choose; little work gets done in either month anyway.
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