vi. wake
misc. forward echo ; side flow ; transmitted echo
这一性质可以作为计算船体实效伴流的基础。
This may be used as a base for the calculation of effective wake.
伴流分数有明显的尺度效应，随模型尺度的增加而下降。
There is an appreciable scale effect on wake fraction, and the wake fraction decreases as the size of models increases.
介绍尾型与伴流场之间关系及非对称双尾鳍船型的形成。
The relationship between stern forms and wake fields and the configuration of asymmetrical twin-skeg ship form are described in the paper.
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