A CER defines an area in which the common language runtime (CLR) is constrained from throwing out-of-band exceptions that would prevent the code in the area from executing in its entirety.

CER定义一个区域，在该区域中公共语言运行时(CLR)会受到约束，不能引发可使区域中的代码无法完全执行的带外异常。

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A CER defines an area in which the common language runtime (CLR) is constrained from throwing out-of-band exceptions that would prevent the code in the area from executing in its entirety.

CER定义一个区域，在该区域中公共语言运行时(CLR)会受到约束，不能引发可使区域中的代码无法完全执行的带外异常。

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