您还要检查是否必须增加文档计数器的值。

You also check whether the document counter must be increased.

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最后，检查全局计数器是否已达到零，如果是，调用主范围中等待的接收活动。

Finally, check whether the global counter reached zero, and if so, invoke the receive activity waiting in the main scope.

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他们想要一台自己的盖革计数器来进行检查。

They want their own Geiger counter to check up.

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