例如，汽车制造商正在尝试使用微型设备，这些设备能够感知何时释放安全气囊，以及如何保持引擎和刹车有效运转。
Auto manufacturers, for example, are trying to use tiny devices that can sense when to release an airbag and how to keep engines and breaks operating efficiently.
容量将在何时释放？
使用大部分收集器时，您都无法干涉何时释放内存。
With most collectors, you have no say when your memory is going to be freed.
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