例如，编译器为了优化一个循环索引变量，可能会选择把它存储到一个寄存器中，或者缓存会延迟到一个更适合的时间，才把一个新的变量值存入主存。

For example, a compiler may choose to optimize a loop index variable by storing it in a register, or the cache may delay flushing a new value of a variable to main memory until a more opportune time.

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对象最终存储在内存中，但编译器、运行库、处理器或缓存可以有特权定时地在变量的指定内存位置存入或取出变量值。

Objects are ultimately stored in memory, but the compiler, runtime, processor, or cache may take some liberties with the timing of moving values to or from a variable's assigned memory location.

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可以根据查询字符串参数值或窗体变量值(控件值)缓存页。

You can cache pages based on the values of query string parameters or form variables (control values).

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可以根据查询字符串参数值或窗体变量值(控件值)缓存页。

You can cache pages based on the values of query string parameters or form variables (control values).

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