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- Abstract： Mesh size selectivity of trawl cod-end is received more attentions because the by-catch is much serious in trawl fishery. 摘 要： 副渔获问题在拖网渔业中尤为严重，因此囊网的网目选择性一直倍受关注。
- Comparative fishing method is one of important experimental methods in research of size selectivity of trawl and selection of the mesh size of control condend is crucial to assessment size selection. 对比作业法是拖网渔具选择性研究中重要的试验方法之一，而对比试验中对照网囊网目的选择是至关重要的。
- And then, matching of fishing gear and trawler, characteristics and suitablites of trawl doors and ground-rope, mesh selection of trawl etc are discussed.Some useful advices are given at last. 同时还对渔船和网具间的匹配、网板类型、沉子纲结构及适应性，以及渔具选择性捕捞等问题进行了探讨，并提出了改进建议。
- Study on selectivity of mesh size of cod-end of trawl in the East China Sea region 东海区拖网网囊网目选择性研究
- That shop has a fine selection of cakes. 那家商店有各种精美的糕点供我们选择。
- That store has a good selection of furniture. 那家店有很多家具可供挑选。
- Selectivity of trawl 拖网选择性
- The protein binding selectivity of clozapine was discussed. 讨论了氯氮平蛋白结合作用的选择性。
- Her selection of a dress took a long time. 她挑选一件衣服花了很长时间。
- The trouser trawl method is one of the methods of m ea suring the selectivity of towed fishing gears. 裤式拖网法是渔具选择性研究方法之一,其网形和校核试验于2002年1月在挪威特鲁姆瑟海湾进行。
- We have a very wide selection of watches. 我们有很多手表可供选择。
- We've got a wide selection of table wine. 我们有大量的料酒供选择。
- A selection of interesting news photograph. 精选当周一张有趣的新闻图片。
- We have a large selection of short sleeve shirts. 我们有很多可供挑选的短袖衬衫。
- We have a large selection of greeting cards. 我们有各种贺卡。
- Her selection of a hat took a long time. 她挑选一顶帽子花了很长时间。
- The showroom has a wide selection of kitchens. 展厅里有多种式样的厨房可供选择。
- Cancel the selection of one object at a time. 一次取消选中一个对象。
- STUDY ON THE SELECTION OF JUGLANS NIGRA L. 东部黑核桃优树选择研究。
- We have a very wide selection of colors. 我们有很多颜色。
