• 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.

    囊的形状近似计算结果根据试验计算结果吻合

    www.fabiao.net

  • 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.

    底拖网渔业很多影响渔捞努力量因素其中船型大小实际捕捞时间长短以及网具改进主要因素

    dict.cnki.net

  • Trawl net, purse seine, Fish Pond Nets, set net, light net, drag net, golf net, used for catching and breeding in deep sea, Shallow sea, Inland river, Inland Lake and used for sport net.

    可制作拖网围网网箱定置灯光拉网高尔夫球网等等,适用深海浅海内河内湖养殖捕捞以及体育

    www.tradehn.com

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

    萤光作业特征自然光照条件变化,作业效率获种的视觉性能及视觉功能转换状况而发生变化。

    dict.cnki.net

  • The experimental results show that the net structure is reasonable and trawl performance is fine.

    结果表明结构合理网具性能优良

    dict.cnki.net

  • Abstr: Antarctic krill trawl with small mesh has the features of small specification, convenient operation and is timesaving in picking and placing net.

    文章摘要网目南极磷虾拖网规格操作方便、起省时特点

    www.redlib.cn

  • More than 80 kinds of trawl net currently used in the Yellow Sea and Bohai Sea were chosen through extensive investigation.

    本文反映经过广泛深入的调查研究,分析比较了中国沿海使用八十拖网

    dict.cnki.net

  • More than 80 kinds of trawl net currently used in the Yellow Sea and Bohai Sea were chosen through extensive investigation.

    本文反映经过广泛深入的调查研究,分析比较了中国沿海使用八十拖网

    dict.cnki.net

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