Substantial improvements to the high-performance domain object instance security ("ACL") capabilities

对高性能域对象实例安全性（“ACL”）的改进

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Object pooling can offer a significant performance boost; it is most effective in situations where the cost of initializing a class instance is high, the rate of instantiation of a class is high.

运用对象池化技术可以显著地提升性能，尤其是当对象的初始化过程代价较大或者频率较高时。

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Determines whether a specified category on the local computer contains the specified performance object instance.

确定指定计算机上的指定类别是否包含指定的性能对象实例。

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