According to the principle of dynamic analogy, the try net used for double - rig shrimp trawling on Sierra Leone fishing ground is studied and designed in this paper.

本文应用动力相似原理，研究设计了塞拉里昂渔场双支架虾拖网的试验小网，用来判断渔场资源和中心渔场。

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Therefore, we can get the approximate value by the beam shrimp trawl net shape and the results match the tension of warp from the experiments results.

从过网身和网囊的形状近似计算的结果与根据试验计算结果相吻合。

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Turtle excluder devices, or TEDs, consisted of a set of bars and an opening in the trawl net: shrimp passed through the bars, but anything large enough would hit them and be guided out through the opening.

FORBES: When Data Clashes with Common Sense