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- Beam shrimp trawl 桁杆虾拖网
- On the basis of data obtained in the shrimp trawl ecological survey for Tonggu Waterway of Pearl River Estuary, we analyzed composition of by-catch for the fishery in this paper. 文章以珠江口铜鼓水道虾拖网渔业生物调查资料为基础,对该渔业的副渔获组成进行了分析研究。
- The selectivity of codends with different mesh sizes,35mm,40mm and 45mm,of double rigged shrimp trawl,which is used in locally commercial fishery,were analyzed through cover-net method selective experiments. 试验采用双支架虾拖网作为试验网具,并使用套网法估算了网目内径为35、40和45 mm的网囊对主捕虾类的选择性。
- Study on Structure and Fishing Method of Selective Shrimp Trawl Net 选择性虾拖网渔具渔法研究
- A series of tests were conducted to improve the otter shrimp trawls operating in Fujian Sea area during 2002-2003. 下囊网入口处装配刚性栅隔装置,起鱼、虾分离作用,上囊网采用放大网目尺寸,以达到释放经济鱼、虾类幼体为目的。
- Abstract: Shrimp trawls are characterized by various catch species and high discard ratio. 摘 要: 捕虾拖网渔业的特点是渔获组成多样性和渔获抛弃率高。
- "With a precautionary and ecosystem approach, many of the problems caused by shrimp fishing can be mitigated - shrimp fishing, including shrimp trawling, is certainly manageable. “预防性和生态系统方法可以缓解许多因捕虾造成的问题,而包括使用拖网捕捞在内的捕虾肯定是可以管理的。
- Discussion on the closed fishing season of shrimp trawl in the East China Sea 对东海区拖虾作业休渔期的商榷
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- He was a shrimp of a boy, about six years old. 他是个六岁左右的小家伙。
- He struck the beam with his head. 他的头撞到梁上了。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人,你搞错了吧。
- Mind you don't knock your head (on this low beam). 小心,别(让这根低梁)撞著头。
- Fruit cocktail; shrimp cocktail. 水果鸡尾酒; 河虾鸡尾酒
- Sighted land off the starboard beam. 转向右舷方向便望见了陆地
- The gymnast poised herself on the balance beam. 体操运动员在平衡木上保持平衡。
- The load on that beam is more than it will bear. 那根梁上的载重超过了它所能承受的量。