水文水资源序列是一个具有周期变化、随机变化和递增或递减趋势变化的复杂时间序列。

Hydrologic sequence is a complicated time sequence, which has characteristics such as periodic changes, random changes and increasing or decreasing trend changes.

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实验结果表明，标识字段比特流随机测度值随着比特流长度的增加整体上呈递减趋势。

The result of the experiment shows that with the increase of the length, the random metric of bit flow tends to reduce gradually.

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