帆张网 movable stow net(1) canvas stownet(0) 目前没有对本词条修改信息

movable stow net     MONITORING AND SURVEY REPORT ON FISHERY RESOURCES OF MOVABLE STOW NET     帆张网渔业资源监测调查报告 短句来源   “帆张网”译为未确定词的双语例句     MONITORING REPORT ON RECENT FISHERY RESOURCE DYNAMIC OF SAIL STOW NET IN ZHEJING SEA WATERS     近年浙江帆张网渔业资源动态监测 短句来源     110 catches, weighing 595. 141 kg in total, of sail stow net from 1995 to 1997 were analyzed; among which 7 387 fishes including hairtail, the lesser yellow croaker, harvest fish and etc were hio-logically detendned. Statistics covered 1 654 times of valid net operation in 71 times of voyage;     收集了1995年-1997年三年帆张网周年渔获物样品110批、分析样品重量595．141kg,生物学测定带鱼、小黄鱼、鲳鱼等主要经济鱼类共7387尾,统计了71航次、1654次有效网次总渔获全为575263．2kg的渔捞记录。 短句来源     the re-lated weight was 575 263. 2 kg. Resource of main economic fishes and sail stow net situation in the areaeast to 29°30'N ~ 34°N' 120°30'E in recent consecutive years were studied. The statistics chowed thatthe resource situation in 1995 was better than in 1997, with in 1996 being worst.     对三年间监测船在29°30＇－34＇N、122°30＇E以东海域所得渔获物组成和主要经济种类资源状况进行了综合分析,监测结果表明：三年间,帆张网渔业资源结构以1995年较好,1997年次之、1996年较差。 短句来源     Having been improved the design, the canvas stownet for jellyfish was put into large - scale productive experiment at sea.     改进设计的海蜇帆张网经较大规模的海上生产试验在1997年取得大面积丰收。 短句来源     The analyses of the stow nets' fishing in Zhoushan showed that the fishing capacity will not change when an input factor changes at the same rate in different units.     在帆张网作业中的DEA分析得出结果 :一个投入因子若普遍被高估 (或低估 )相同的比例 ,应不会影响捕捞能力。 短句来源 查询“帆张网”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句

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110 catches, weighing 595. 141 kg in total, of sail stow net from 1995 to 1997 were analyzed;among which 7 387 fishes including hairtail, the lesser yellow croaker, harvest fish and etc were hio-logically detendned. Statistics covered 1 654 times of valid net operation in 71 times of voyage; the re-lated weight was 575 263. 2 kg. Resource of main economic fishes and sail stow net situation in the areaeast to 29°30'N ~ 34°N' 120°30'E in recent consecutive years were studied.The statistics chowed thatthe reso...             收集了1995年-1997年三年帆张网周年渔获物样品110批、分析样品重量595．141kg,生物学测定带鱼、小黄鱼、鲳鱼等主要经济鱼类共7387尾,统计了71航次、1654次有效网次总渔获全为575263．2kg的渔捞记录。对三年间监测船在29°30＇－34＇N、122°30＇E以东海域所得渔获物组成和主要经济种类资源状况进行了综合分析,监测结果表明：三年间,帆张网渔业资源结构以1995年较好,1997年次之、1996年较差。主要经济种类一带鱼资源状况1995年较好,1996年处在低水平状态,1997年资源稍好转,幼带鱼生长较快,渔获群体组成明显大于1996年与1995年相近。 文摘来源          The paper gives a report on the reformation and the results of experiment of stownet for jellyfish from 1996 to 1997 in Qidong, Jiangsu province. Based OH the behavior of jellyfish, the authors propose the use of anchor stownet to substitute pocket stownet, the use of large mesh size to enlarge the mouth and with the soft carvases added to both sides of the mouth to enlarge the horizontal expansion. Having been improved the design, the canvas stownet for jellyfish was put into large - scale productive exper...             本文报道了1996～1997年江苏省启东市海蜇张网的改革和试验结果。文章分析了海蜇鱼发多变、体型较大和常漂游于水域中上层的特点,提出用锚张网替代桩张网,使用大网目以扩大网口并在网口两侧加装柔性帆板以增大水平扩张。改进设计的海蜇帆张网经较大规模的海上生产试验在1997年取得大面积丰收。单船平均网次产量比原用桩张网增加3倍多。文章针对吕四渔场流速(2.5～3.5节)对网具规格及阻力、锚具重量和爬驻力以及渔船起网鼓轮绞拉力之间的相互制约关系提供了经验计算式。文章指出,这种海蜇帆张网的推广、使用必须强化管理,以确保伏休制度得到贯彻。 文摘来源          Based on the data obtained from the movable stow nets in 29°30'-34°N, 123°30'-127°E,which was carried out from 1997 through 2000 by Zhejiang stow net vessels, results were presented. The survey incorporated 96 trips in 620 days. Altogether, there were 4797 effective nets and landings of 1411237.5kg including 10083 fishes such as hair tail, small yellow croaker, pomfret, etc. Statistics showed an increase in fishing effort of the nets and a decrease in unit output in recent years. The composition of main fis...             根据1997～2000年浙江帆张网监测船在29°30’～34°N、123°30’～127°E海域进行共计96航次、620d、4797网有效网次、1411237.5kg渔获物组成的监测资料和10083尾包括带鱼、小黄鱼、鲳鱼等生物学测定资料,剖析近年浙江帆张网渔业资源现状,结果显示:近年帆张网作业捕捞强度逐年增大而单位产量则逐年下降,主要捕捞对象的带鱼渔获群体组成整体偏小,渔获物中经济幼鱼比重大,渔获物结构质量2000年虽仅次于最好年份的1997年,好于最差年份的1999年,与1998年基本相近,但其带鱼渔获个体体重均比1997年和1998年减轻。上述迹象表明,帆张网渔业已处在过度捕捞状态。 文摘来源   << 更多相关文摘

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