如果在 Visual C++ 中启用了字符串池选项 [/GF]，那么在执行期间，将在程序的映像中仅保存该字符串的单个副本，且 string1 与 string2 相等。

If the string-pooling option, [/GF], is enabled in Visual C++, then a single copy of the string is kept in the program image during execution and string1 equals string2.

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其他的例子有字符串的地址和常量池入口的内部位置。

Other examples are addresses of strings and the internal locations of constant pool entries.

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jBPM提供了2类不同的API来设置参与者池：一类接收字符串id数组，另一类则接收id集合。

JBPM provides two different APIs for setting pooled actors - one taking a string array of ids and another taking a set of ids.

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