查询词典 trawl

On the basis of taxonomy of genus Trichiurus and length-frequency data collected by trawl survey in the northern South China Sea, growth and mortality parameters for three species of Trichiurus were estimated. For T. haumela, T.

根据我国近海带鱼分种研究结果，利用南海北部底拖网调查收集的带鱼属3鱼种的生物学资料，运用长度频率法估算了3鱼种的生长和死亡参数。

Results showed that catches of shrimping beam trawl have many species in Estuary of Pearl River in the north South China Sea.

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。

Twin body trawl Two small bottom trawls joined with the inner wings removed and fished as a unit.

对拖网 连接到内部翼的二个小底拖网，作为一个单位移动和捕鱼。

Study of the mesh selectivity of diamond and square mesh codend of two-stick swingnet;2. In order to assess the size selectivity for fishes of beam trawl fishing in offshore of the East China Sea,experiments of codends with different mesh configuration,including diamond mesh, square mesh and turned through 90° diamond mesh(T90) in 4 sea trials have been carried out and catch data were collected by comparative fishing method.

选择性分析结果显示，对于短吻舌鳎，横向使用的菱形网目网囊L50(50%选择体长)最大，而SR最小，菱形网目网囊L50最小，而SR最大；对于棘头梅童鱼和小黄鱼，菱形网目网囊的L50最小，SR最大，横向使用的菱形网目网囊L50最大，而方形网目网囊SR最小；除不同结构的网目扩张程度不同以外，鱼体体型结构的特殊性以及网囊结构也可能是导致选择性差异的主要原因。

The shrimp beam trawl fishery had the highest bycatch rate while those of the other three shrimp fisheries were less than 76.3%.

高屏峡谷周边海域为我国重要的虾拖网渔场，计有四种虾拖网渔业（正樱虾中层拖网、中型毛虾中层拖网、底层虾拖网及桁杆式虾拖网）在此作业。

Since few firms publish end-of-year results, there is no easy way of assessing size; but a trawl through institutional statistics suggests that there is enough money involved in the business to make agenting extremely worth while.

由于少数公司公布年终业绩，有没有简便的方法评估大小；但拖网通过体制的统计数字表明，有足够的资金从事经营，使 agenting 非常值得。

Our products have sold to domestic and Southeast Asia area, deeply favorite.Our products are series of plastic turnover box, solid wall container, collapsible container, tray, baskets, square buckets and round buckets, also trawl float and water tank.

周装箱系列产品均符合 GB/T5737-1995《食品塑料周转箱》和 GB9687-1988 《食品包装用聚乙烯成型品卫生标准》，滚塑产品系列塑胶容器均符合 GB9687-1988 《食品包装用聚乙烯成型品卫生标准》。

A modeling method to establish the mathematical model of single-boat mid-water trawl system is proposed, and visualization of the system is realized by using scene management software OpenGVS .

提出了一种单船中层拖网系统数学模型的建模方法，并通过场景管理软件OpenGVS实现了单船中层拖网作业过程的三维可视化。

Dynamic behaviors of a panel net and a mid-water trawl are simulated. Comparing the computation results with that of flume experiments, the rationality of the model is verified.

分别对单一网片和中层拖网的运动进行了动态仿真，并将仿真结果同水池试验结果进行了比较，从而验证了模型的合理性。

Others dug out from the trawl through birth records since 1984 are more quirky - with two Supermans, six Gandalfs and two Reeboks.

调查人员在1984年以来的出生记录中还发现了几个新潮的名字：有两人取名为&超人&；六人取名为&甘多夫&；还有两人取名叫&锐步&。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。