甲壳类

Rearrangements have been occurred in at least twelve mitochondrial genes, which have drastically altered the gene order of the mitten crab E. japonica sinensis to the putative ancestral pancrustacean (crustacean/insecta) gene order.

中华绒螯蟹线粒体基因组与推测的泛甲壳类原始的线粒体基因顺序相比，至少有12个基因发生了重排，造成线粒体基因排列顺序显著的变化。

It is not yet possible to prove that these legless crabs and other similar species evolved from shellfish.

目前尚无法证实这种没有腿的螃蟹和其他类似的物种都是由甲壳类动物进化而来。

Anchor worms are another crustacean parasite, Lernaea .

锚虫是另一种甲壳类寄生虫

Lernaea for freshwater crustaceans the first minister has anchor-shaped organ called Tau Kok.

锚头鳋为淡水甲壳类，头部长有锚状器官，叫做头角。

These colorless crustaceans are among the few creatures that have adapted to the lightless world at the bottom of the region's aquifers, springs, and sinkholes.

这些没有颜色的甲壳类动物是极少能在没有光线的海底世界生存的动物。

Aquatic crustaceans are typical ammonotelic animals. They excrete nitrogenous wastes in the form of ammonia. However, under high salinity, the hemolymph of Penaeus Monodon was found to contain a large quantity of urea. The aim of this thesis was to investigate the mechanism of how nitrogenous metabolites change under different salinities.

水生甲壳类是典型的排氨型动物，体内含氮废物以氮的型式代谢，但草虾於高盐环境下，其血淋巴中却产生大量的尿素，本论文研究的目的即在探讨含氮代谢物在环境盐度变化下的转换机制。

Any of various minute , chiefly freshwater crustaceans of the subclass Ostracoda, having a bivalve carapace.

卢布克爵士最近指出，小型甲壳类中有几种较好的例子，可作为这一法则的说明。

Toxicity effects of heavy metals and polluted dredged materials on juvenile of Sinonovacula constricta, straighthinge of Ostrea plicatula, and larvae of Artemia, larvae of Penaeus pencillatus have been studied.

研究了重金属和污染疏浚物对缢蛏Sinonvaculaconstricta稚贝和幼贝、褶牡蛎Ostreaplicatula幼虫、甲壳类的卤虫Artemiasp。

A pincerlike part, such as the large claw of a ''.

螯象钳的部分，如甲壳类动物的大螯

Sinonovacula constricta mainly accumulated Pb, Hg and oil, their accumulation levels are 53%, 155% and 171% respectively; Portunus pelagicus accumulated chiefly Zn,Pb and oil, and their accumulation levels are 40%,100% and 205% respectively.

试验底栖甲壳类远海梭子蟹则主要富集淤泥中的Zn、Pb和油类，其累积率分别为40%、100%和205%，对Cu、Cd和Hg累积效应不明显。关键词：淤泥；毒性；海洋底栖动物；累积率

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐