鱼业

With the prompt development of fresh water pisciculture, fish disease have happened and prevailed seriously, it has become a great obstacle of good development of aquiculture, and threaten the stabilization of aquiculture and sustainable development.

近年来，在淡水养鱼业迅速发展的同时，鱼害的发生和流行也日趋严重，已成为水产养殖业健康发展的巨大障碍，严重地威胁着淡水养殖业的稳定和可持续发展。

In addition, the applications of the directional derivative and differential of the fuzzy mappings from 〓 to Ein convex fuzzy programming, the applications of the fixed point theorems of increasing fuzzymappings in fishery production and the applications of the integral over a directional linesegment of the fuzzy mappings are also studied.

另外，还给出了从〓到〓的模糊映射的方向可导性及可微性在凸模糊优化中的应用、增模糊映射的不动点定理在鱼业生产中的应用及模糊映射在有向线段上积分在获取统计数字方面的应用。

Widely distributed in Central America of fresh water and salt waters, the United States for the main freshwater aquaculture species. 1999 U.S. freshwater aquaculture production accounted for about 81 percent of the large warm-water species of fish, fork spots to fish tail as the Ministry of Agriculture to promote the country's fresh water breeding improved varieties have a very obvious advantages: First of Table no scales no small thorn, processing convenience and the other is the quality and refine, nutrient-rich, easy to digest and absorb the third is of miscellaneous eating habits, fast-growing, high yield, strong adaptability and easy to keep the fourth character is tame, like cluster activities , High density of aquaculture, particularly the pond custody and cage culture Fifth Tansi, easy fishing, Youdiao suitable for the development of leisure industry.

广泛分布于美洲中部的淡水和咸水水域，为美国的主要淡水养殖的品种。1999年约占美国淡水养殖总产量的81%，该鱼种是大型温水性淡水鱼类，斑点叉尾回鱼作为农业部向全国推广的淡水养殖的优良品种具有很明显的优点：一是体表无鳞没有小刺，加工方便；二是内质细嫩，营养丰富，容易消化吸收；三是食性杂，生长快，产量高，适应性强，易于饲养；四是性格温顺，喜好集群活动，可以高密度的养殖，特别是池塘主养和网箱养殖；五是贪食，易垂钓，适合发展休闲游钓业。

And the taste of caviar means a certain pleasance of life. Sharing the caviar of YeDing Company shows your good taste and excellent living culture.

品尝鱼籽酱代表了一定生活的情趣，吃业鼎公司鱼籽酱表明你的鉴赏能力和极好的生活文化品味。

Yellowfin prices in Europe are stable while skipjack prices are weakening. Catch trends at the beginning of December are not too good and this should help the skipjack market not to deteriorate further, although there will be the usual year's end closure effect on the canning industries.

欧洲黄鳍金枪鱼的价格比较稳定，鲣鱼的价格较低。12月初开始的捕捞形势不太好，虽然，这一年中的最后一个月的生产情况将影响到来年罐制业的生产，但这有利於阻止目前鲣鱼市场价格的恶化。

During summer, one bass fishing technique is choosing to fish along Long Point Bay at Lake Erie because during this time, the bass fishes especially the smallmouth bass fishes are swimming their way here back to the main lake after their spawning period.

在夏季，其中低音鱼捕捞技术选择沿长湾点这段时间，因为在伊利湖、低音大提琴smallmouth鱼鱼类特别是游泳回港途中主要湖产卵后period.if你是一个业余音钓鱼最好的办法是鱼与同伴而来的专家实地不仅擅长捕鱼，而且动植物或渔溪巡of.as你是学者，你可以选择只在鱼的湖、海岸你可以尝试在小湖捕鱼。

Trumann Democrat Online - Life on the water includes a dugout canoe, 19th century fish trap, Indiana-style fishing reel with line from the 1920s and tools from the mussel shell button industry.

trumann民主党人在线-生命对水包括d ugout独木舟，十九世纪鱼陷阱，印第安纳式捕鱼卷筒线，从2 0世纪2 0年代和工具，从淡菜壳按钮业。

An unusually weak Dungeness crab harvest is compounding the financial woes of West Coast fishermen who were already struggling with depressed consumer demand and the unprecedented collapse of the Pacific Chinook salmon fishery.

一次很不寻常的太平洋大蟹欠收伴着经济惨淡向西海岸的渔民袭来。这些渔民正在经历低迷的消费需求和太平洋大鳞大麻哈鱼业空前的倒闭境况。

I'll try to bring the conversation around to the subject of money.

我想把谈话引到钱的问题上。

Only from a superior source of goats can an exceptional chevon product be made.

羊源 有优良的羊源才能生产出好品质的羊肉。