You have delivered the first change into the stream.
您已经将第一个变更交付到这个流程中。
In this case, the change set will again show up as incoming from the stream.
在此情况下，该更改集将重新显示为来自流中的传入更改集。
Cannot change hash key after first write to the stream.
不能在首次写入该流后更改哈希键。
Closing a stream does not change the internal state of the stream object.
关闭流对象，都不可能改变流对象内部的状态。
Closing a stream does not change the internal state of the stream object.
关闭流对象，都不可能改变流对象内部的状态。
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