工作站模式/并发执行，也叫并发GC-工作流程与非并发GC基本相似，但不会在整个清理周期挂起其他托管线程。

Workstation/Concurrency ON, also called Concurrent GC. – Like in the previous scenario, but the GC does not suspend the managed threads for the entire period when it reclaims unused memory.

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工作站模式/非并发执行-当负责分配内存空间的托管线程发现没有足够的内存可以分配时，它会在同一个线程中启动GC。

Workstation/Concurrency OFF – When the managed thread responsible for memory allocations runs out of available space, it calls the GC which runs in the same thread.

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