围网

Not only have fishing vessels increased in number, but large-scale fishing boats have greatly strengthened the ability to catch fish on the distant high seas. For example, the most effective type of net, the purse seine, began to be used in 1982, and by 1991 there were already 44 ships using it to catch bonito, tuna, and other migratory fish. People began to widely consume canned tuna, tuna salad, and tuna rice rolls.

渔船增多，大型渔船更加强远洋捕捞能力，像是最有效率的大型围网是在七十一年开始启用，到八十年代已经拥有四十四组这种捕捞鲣、鲔等回游性鱼类的渔船，於是海底鸡罐头、鲔鱼沙拉、鲔鱼御饭团成为寻常口味。

From 1972 to 1994, dolphin deaths from purse seine fishing in the eastern tropical Pacific dropped more than 99%, from 423,678 to 4,095 individuals.

从1972年至1994年，死于围网捕捞海豚在东部热带太平洋下降99%以上，从4095到423678人。

TUNA :Purse seine catches in the Indian Ocean, with skipjack predominant, are reported to be above average for the season.

金枪鱼：在印度洋，由於围网船的箭鱼渔获量很大，本季度的捕捞高於平均水平。

Skipjack tuna is one of the main target species of tuna purse seine fishery. The study of its biological characteristics will help the better understanding of its stock structure, and have significance to the reasonable utilization of the resource.

鲣鱼是金枪鱼围网的主要目标鱼种，研究其生物学特性有助于了解其群体结构，对于合理利用该资源具有重要意义。

In this paper, we analyze the relationship between the proportion of catch and effort allocated to different location in same time based on ideal free distribution theory and data in the large light purse seine fishery of mackerel in Yellow Sea and East China Sea.

作者基于理想自由分布理论和中国大型鲐灯光机轮围网捕捞数据，对南、北渔场捕捞量与捕捞努力量的空间分布关系进行了分析。

Without the consideration of indirect benefit of less tangling situations, the installation of pump jet on American style purse seine ships as subsidiary propulsion, small boat power, or maneuvering device, will all delay the balance of cost and benefit for only a slight level.

在全寿期成本效益评估方面，若假设暂不考虑不易绞缠的间接效益，则泵喷推进器安装在美式围网渔船上作为辅助推进、小船推进或方向控制，都对损益平衡只有稍微延迟的影响，其影响不如油价的变动。

Expressway guardrail, sports place purse seine, road greenbelt protect network.

高速公路护栏，体育场所围网，马路绿化带防护网。

150 Chemical small enterprise will be eliminated within end of 2008; the life sewage treatment rate should reach 90% in Jiangsu southern cities; decrease purse seine aquiculture area; build Ecological Isolation Belts along 5 kilometers of Taihu and within 1 kilometer on both sides of Taihu back from estuary 10 kilometers; build automatic monitoring system at all the estuaries and water sources, and formulate prewarning system of blue algae and water quality.

据悉，2008年年底前江苏省将淘汰2150家化工小企业；苏南城市生活污水处理率要达90%以上；压缩水产围网养殖面积；沿太湖5公里和入湖河口上溯10公里两侧各1公里范围内，建设生态隔离带；所有入湖河口与水源地建立自动监测系统，形成蓝藻与水质预警机制。

MSY is 58~67 thousand tons and fmsy is about 315 vessel groups Meanwhile, it seemed that the resources of Macherel and Scad in the northern fishing ground of the East China Sea had been over-exploited, and the number of light seining vessels increased too fast.

目前，东海北部渔场的鲐鲹鱼资源已有被过度开发利用的迹象，灯光围网渔船发展速度过于迅猛。

They are very effective and this is a good way to seine the water.

他们非常有效，这是一个好办法围网水面。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。