![crustacean](../cache/497228.jpg)
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A hard bony or chitinous outer covering , such as the fused dorsal plates of a turtle or the portion of the exoskeleton covering the head and thorax of a crustacean .
硬壳,背甲,头胸甲一种硬骨质或甲壳质外部覆盖物,如海龟融为一体的背部板形器官,或甲壳纲动物覆盖头胸部的外骨骼部分。
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The teddy bear crab is a small crustacean covered in bushy , white bristles .
泰迪型螃蟹是小型甲壳纲动物,外面覆盖着浓密的的白色毛发。
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When the tide ebbs it 's a rock pool inhabited by crustaceans .
退潮时,它便成为甲壳动物居住的岩石区潮水潭。
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Shrimps and crabs are only small crustaceans in the ocean .
虾、蟹不过是大海中渺小的介虫罢了。
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Glucosamine can help to synthesize chitin in crustacean shells , which AIDS growth .
葡萄糖氨是甲壳类动物帮助壳中几丁质的生成,可促进生长。
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These crustaceans provide a valuable food source for some fish .
这些甲壳纲动物是某些鱼类重要的食物来源
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The illustrious Cuvier did not perceive that a barnacle was a crustacean .
大名鼎鼎的居维叶也未看出藤壶是一种甲壳动物。
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Effects of Environment Factors on Osmoregulation and Immune Parameters of Crustaceans
环境因子对甲壳动物渗透调节与免疫力的影响
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Polyploid Induction and Sex Control in Several Economically Important Crustacean Species
重要水产养殖虾蟹类的多倍体诱导及性别控制研究
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Control of Crustacean Plankton in Water Treatment Process
水处理工艺中浮游甲壳动物的控制
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Seasonal composition of crustacean species in the East China Sea and Yellow Sea
黄、东海底栖性甲壳动物种类组成的季节变化
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The Structure and Adaptation of the Compound Eyes of Crustacean
甲壳动物复跟结构及其适应性
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The Sex Control Technique for Fish and Crustacean
鱼类、甲壳类性别控制的研究技术
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Toxic effects of heavy metals on several marine bivalve and crustacean
重金属对几种海洋双壳类和甲壳类生物的毒性
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But crustacean and fish were polluted by Pb much seriously -
甲壳类、鱼类受到Pb的污染较严重。
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The Effect of Environmental Stress on the Immune Activity of Several Marine Bivalve and Crustaceans
环境污染对几种海洋双壳类和甲壳类免疫活性的影响
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This percentage was significant higher than that of previous reported crustacean cDNA libraries .
这个比例高于其它任何一个已公布的甲壳动物cDNA文库。
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This is the first report of a circadian clock gene from crustaceans .
这是甲壳类中报道的首个生物钟基因。
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Progress on the researches of cellular and humoral immunity of crustacean
甲壳动物细胞及体液免疫机理的研究进展
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Animal constituent of plankton ; mainly small crustaceans and fish larvae .
由浮游生物组成的动物;主要是小甲壳类和鱼类的幼虫。
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A review on immune factors of crustaceans
甲壳动物免疫因子的研究进展
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Community structure and spatial distribution of crustacean zooplankton in Lake Fuxian , Yunnan , China
抚仙湖浮游甲壳动物群落结构与空间分布
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Properties , Microstructure Research and Bionics Proceeding of Nature Biomaterial of Crustacean Insect
甲壳类昆虫生物材料性能、微观结构研究与仿生进展
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Every crustacean has a layer of shell , which is also called the carapace .
甲壳动物体外都有一层几丁质外壳,称为甲壳。
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Crustaceans live mostly in marine but also in freshwater and terrestrial habitats .
甲壳类大多生活在海洋,但也有生活在淡水和陆上栖息地的。
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Large edible marine crustaceans having large pincers on the first pair of legs .
第一对腿上有大钳子的大型可食用海生甲壳动物。
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The measures of making variation , research methods and characters of genetic breeding for Crustacean were summarized in this paper .
本文总结了甲壳动物遗传育种的特点、研究方法和引起变异的措施。
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Aquaculture , Biology of the Crustacean , Water Quality of Aquaculture Ponds .
水产养殖,甲壳类生物学,养殖池水质。
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Minute crustaceans forming food for right whales .
作为露脊鲸食物的微小的甲壳动物。
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The question is , of course , whether this small crustacean are fed properly using standard fish feed .
问题是这小甲壳动物能否使用标准鱼饲料来喂养。