查询词典 Crustacea

Shrimps belong to Crustacea in Arthropoda. They have heteronomous segmentation.

虾属於节肢动物门甲壳纲，身体各体节有不同的形态(异律分节，heteronomous)。

The Chinese mitten-handed crab, Eriocheir sinensis belongs to Arthropoda, Crustacea, Decapoda., is one of the most promising and valuable crabs for aquaculture in China.

中华绒螯蟹又名河蟹，螃蟹，分类学上隶属于节肢动物门、甲壳纲、十足目，为我国最具增养殖前景的经济蟹类之一。

Artemia sinica belongs to Phylum Arthropoda, Class Crustacea, Subclass Branchiopoda, Order Anostaca, Family Artemiidae and Genus Artemia.

中国卤虫属于节肢动物门，甲壳纲，鳃足亚纲，无甲目，卤虫科，卤虫属。

Arthropoda, Class Crustacea, Subclass Copepoda are beyond the present scope. The parasitic helminth faunas of rabbit fish, cutless fish, spotted mackerel, horse mackerel, grey mullet, and cobia were investigated.

本研究之对象为台湾海鱼蠕虫类寄生虫，包括：扁形动物门之单殖吸虫纲，吸虫纲内之复殖吸虫亚纲和绦虫纲；俗称线虫或圆虫之圆形动物门；棘头虫动物门中之始新棘头虫纲等；但不包含属於外寄生性之节肢动物门甲壳纲中的桡足亚纲。

Taxonomic hierarchy of Litopenaeus Stylirostris: Phylum Arthropoda, Class Crustacea, Subclass Malacostraca, Order Decapoda, Suborder Dendrobranchiata, Family Penaeidae, and Genus Penaeus Subgenus Litopenaeus.

两种对虾肌肉中的氨基酸组成除南美蓝对虾的Trp、Cys显著高于南美白对虾(P＞0.05)外，其它氨基酸组成无显著差异，两种对虾的肌肉氨基酸含量的高低排序基本一致。

3 What are the main characteristics of class crustacea ?

甲壳纲的主要特征是什么？

The results indicated that there were 150 species belonged 70 families, species of Molluscs and Crustacea are the most which comprised 80% of all species, and some are the commercial species with high value.

结果表明，该海域潮间带调查采获的潮间带生物标本共70科150种，以软体动物和甲壳类出现的种类最多，二者占了总种类数的80%，其中部分属经济价值较高的种类。

Crustacea have not specific immunity, phagocytosis of haemolymph is the main defense mode to exogenous matter.

甲壳动物没有特异性免疫，对进入体内异物最主要的防御方式是血淋巴的吞噬作用。

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。

The results were summarized as followings: the density of planktonic crustacea in middle reach was higher than that in the lower reach whereas the species abundance and community diversity index in the lower reach were higher than that in the middle reach; the planktonic crustacea communities presented high density but lower diversity in the upper part of the middle reach, lower density but high diversity in the lower part of the middle reach and estuary, and lower density and diversity in the lower reach except the estuary.

结果表明，汉江中下游江段浮游甲壳动物的密度分布呈现出中游高于下游的特征，而物种丰度和群落多样性指数则是下游高于中游；中游上段的属于密度高但多样性低的群落、中游下段和汉江口属于密度较低但多样性高的群落，下游除汉江口外属于密度和多样性均较低的群落。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。