甲壳类

Invasive species such as crabs, barnacles and other marine life also can attach themselves to it and float across the globe.

而入侵的物种，诸如蟹类，甲壳类动物和其他的海洋生物粘附着这些海洋塑料垃圾就会漂流到世界各地。

The lead content in the crustacean samples were obviously higher than that in cephalopod and fish samples.

甲壳类Pb的含量明显高于头足类和鱼类。

The dominant species of crustacean and cephalopoda were warmwater, followed by eurythermal, warm-temperate, without cold-temperate.

甲壳类和头足类以暖水性的种类为绝对优势，广温性的种类相对较少，暖温性的种类最少，也没有出现冷水性种类。

The results showed that there were 131 species of necton belonging to 91 genus, 60 families, 16 orders in the waters, among them, fish 89, crustacean 34, cephalopoda 8. The necton mostly belonged to the fauna of Indian-Pacific.

结果表明，该水域共有游泳生物131种，分隶于16目60科，其中鱼类89种，甲壳类34种，头足类8种，大多属于印度-太平洋区系。

The catch rates of necton presented seasonal variation obviously, being more in autumn16.91 kg.h-1） than in winter(10.82 kg.h-1）. According to the catch rates, the fish were the most, followed by crustacean and cephalopoda in both seasons.

游泳生物渔获率呈现明显的季节变动，秋季渔获率（16.91 kg.h-1）高于冬季（10.82 kg.h-1）。2季调查渔获率鱼类最多，其后依次为甲壳类、头足类。

The foods most likely to cause allergic reactions in adults include crustaceans such as shrimp, crayfish, lobster and crab, peanuts, tree nuts such as walnuts, fish and eggs.

最可能引起成人过敏反应的食物包括小虾、小龙虾、龙虾和螃蟹等甲壳类食物，花生、胡桃等坚果类食品，还包括鱼和蛋。

The results show that the benthons were not polluted by the heavy metals, but the concentrations of Pb and Cd in crustacea and mollusk were potentially serious. The contents of Cd in crustacea was beyond the Standard Indexes of the seafood. The contents of Cd in mollusk was same as Stan...

结果表明，底栖生物中Hg、Pb、Cd、As含量较低，但甲壳动物和软体动物体内Pb和Cd具有潜在的严重积累问题；甲壳类Cd含量已严重超人体消费标准，软体类的Cd含量等于人体消费标准值，甲壳动物和软体动物的可食性应引起人们的关注。

Keywords Heavy metal;toxicity;bivalve;crustacea;dredged material

重金属；毒性；双壳类；甲壳类；疏浚物

The result is that a lot of other types of fish, crustaceans and molluscs are caught unintentionally.

结果就是很多其他种类的鱼类、甲壳类和软体类海洋生物都被无意中被捞了上来。

Also popular are sardines (especially when grilled as sardinhas assadas), octopus, squid, cuttlefish, crabs, shrimp and prawns, lobster, spiny lobster, and many other crustaceans such as barnacles and goose barnacles, hake, horse mackerel, lamprey, sea bass, scabbard and a great variety of other fish and shellfish and molluscs, such as clams, mussels, oysters, periwinkles, and scallops.

也很受欢迎的沙丁鱼（尤其是当烤作为sardinhas assadas ），章鱼，鱿鱼，墨鱼，蟹，虾和对虾，龙虾，龙虾，和许多其他甲壳类动物，如偏执狂和鹅偏执狂，鳕鱼，竹荚鱼，鳗，鲈鱼，剑鞘和多种其他鱼类和贝壳类和软体动物，如蛤，贻贝，牡蛎， periwinkles ，和扇贝。

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