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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In the latter case, there is no such as correlation. The most prominent characteristics of the fluorescent trawl net is that its operational efficiency …

萤光网作业最具特征的是，随自然光照条件变化，其作业效率依渔获种的视觉性能及视觉功能转换状况而发生变化。

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In trawl fishery, there are many factors affecting the fishing effort of which, the vessel size, actual catching time and the improvement of trawl net are the main factors.

在底拖网渔业中有很多影响渔捞努力量的因素，其中船型大小、实际捕捞时间的长短以及网具改进是主要因素。

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Conservationists warn that recently revealed chalk arches off the North Norfolk coast could be destroyed by one careless pass of a trawl net.

BBC: Cash shortage stretches to sea bed

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.

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