If the specified value is less than the current length of the stream, the stream is truncated.

如果指定值小于流的当前长度，则流被截断。

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If the specified value is larger than the current length of the stream, the stream is expanded.

如果指定值大于当前流的长度，则流被扩展。

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A black stream of ink flowed across the length of the room.

一股黑色的墨水流遍了整个房间。

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"The merger ratio does not reflect BAE's superior cash generation, or the quality of its earnings stream, derived from the length and nature of its customer contracts, " Invesco said.

BBC: BAE Systems: Invesco warns over EADS merger plan