查询词典 trawl

The proportion of tuna long line fishery to trawl fishery is four to one. For these two fisheries, Tong Kong fishing market form two market areas: the big fishing market and the small fishing market.

综观两鱼市场结构均为进出自由度高的完全竞争市场，其集散货的空间结构受到消费者需求的分布而改变。

The results are: Under sailing condition, the main engine speed should be set at 750rpm when the ship speeds are 4,8,12 and 13kn; The main engine speed should be set at 875r/min when the ship speed is 10kn or while in fishing operation trawl fishing and tuna long line fishing

结果表明，在自由航行工况下船舶航速为4、8、12、13 kn时，主机转速应设定在750 r/min；航速为10 kn时，应设定在875 r/min。拖网及延绳钓作业工况下主机转速应设定在875 r/min。

Furthermore, the article presents small-scale fishing ground indemnificatory allocation framework system. It advised that the marine and inland water fishing grounds which is connected with the land from the marine motor fishing vessels' bottom trawl closed area line, as the exclusive small-scale fishing's special zone for traditional fisher. Moreover let the small-scale special fishing zone being further divided and allocated, each zone establish small-scale fisher association to implement internal management and endow each zone of the attribute of usufructuary right which was the power of exclusive utilization, long effectiveness inheritable and transferable.

本文在对比分析了捕捞投入要素分配、渔获量分配和渔场分配三种分配方式的基础上，提出了小型渔业渔场保障性分配框架体系，建议将海洋机动渔船底拖网禁渔区线向陆地一侧的海洋和内陆水域渔场作为小型渔业传统渔民的专用渔场，再将小型渔业专用渔场在行政区之间进一步划分和分配，每个渔场建立相应的小型渔业渔民协会进行渔场使用的内部管理，并赋予小型渔业渔场使用权排他性的、长效性可继承的、可流转的用益物权属性。

To solve the issue, sorting grid was developed to separate catch effectively by species retained in non-selective codends in trawl fisheries. In this paper, the separating efficiency of sorting grid of different bar spacings (15, 20, and 25mm) for three-lined tongue sole Cynoglossus abbreviatus, little yellow croaker Pseudosciaena polyactis, and spinyhead croaker Collichthys lucida was analyzed in sea trials carried out in Lvsi Fishing Ground in the SELECT model.

刚性栅栏是实现拖网渔具种类选择性捕捞的主要装置，本文根据在吕四渔场开展刚性栅栏海上生产试验，结合SELECT模型分析不同栅条间距（15、20和25mm）的刚性栅栏对短吻舌鳎、小黄鱼和棘头梅童鱼的分隔效率。

In the trawl fisheries, research has shown that albatrosses, and other seabirds, can become entangled and drowned in fishing gear.

在拖网捕鱼作业中，研究已经显示，信天翁以及其他海鸟能够被捕鱼装置缠住和因此溺死。

The result indicated percentage of Fishes was beyond 92%, Cephalopods and Crustaceans' percentage were very little, under 8% and 1% respectively, in trawl production of waters of the Yangtze River Estuary in 1990's.

结果表明：20世纪90年代各时期长江口水域拖网生产的渔获物中，鱼类占92%以上，头足类和甲壳类所占的百分比较小，分别在8%和1%以下。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。