甲壳纲 meaning in English
class crustacea
crustacean
Examples
- Water quality - biological methods - determination of acute lethal toxicity to marine copepods copepoda , crustacea
水质.生物法.海洋桡足亚纲动物桡足目，甲壳纲急性致命毒素的测定 - The extremely rare coloring means this crustacean isn ' t headed for the dinner table , but in an aquarium for all to see
这种罕见的颜色使得这只甲壳纲生物不是躺在餐桌上(里翻得太可爱了) ，而是放进玻璃缸供大家观赏。 - The deep sea typically has a sparse fauna dominated by tiny worms and crustaceans , with an even sparser distribution of larger animals
深海里的动物群以零散的小虫和甲壳纲动物为主，此外还有些分布更为稀疏的较大动物。 - The ratio of planocera reticulata , pheretima tschiliensis and nereis pelagica was 19 . 00 % , 20 . 13 % and 12 . 82 % . the conclusion of this study is the animal with strong motor ability and developed sense organ has little neuron body and more neuropil in ganglion
甲壳纲动物神经元胞体占神经节的比例最小(虾蛄和平背蜞神经元胞体所占神经节的比例分别为11 . 43和15 . 53 ) 。 - Studies on spermatogenesis and oogenesis in palaemon modestus jiang ye - qin ( chemistry department , huzhou teachers coliege , huzhou 313000 ) palaemon modestus belongs to genus palaemon , family palaemonidae , caridea , natantia , decapoda , class crustacean . lt is a kind of freshwater prawn across china and especially abounds in the taihu lake which is regarded as one of the " three delicacies " of the taiha lake . as for the researches on palaemon modestus , v / e can only refer to spermatogenesis of freshwater shrimp exopalaemon modestus ^ ruang hai - xia et al , 2001 ) , studies on reproductive biology of exopalaemon modestus l . the structure and development of the male reproductive system ( huang hai - xia et al , 1999 ) and studies on freshwater prawn in the taihu lake ( yan sheng - liang , 1999 ) . on the bases of their researches and with the help of tem , i have made further researches on sperm ultrastructure , spermatogenesis , oogenesis and mature oocyte ultrastructure in palaemon modestus
秀丽白虾palaemonmodestus属甲壳纲crustacea十足目decapoda游泳亚目natantia真虾部caridae长臂虾科palaemonidae长臂虾属palaemon ，是我国南北均产的淡水虾，其中太湖产量尤其大，与太湖银鱼、鲚鱼并称“太湖三宝” 。有关秀丽白虾的研究仅见秀丽白虾雄性生殖系统的研究(黄海霞等， 1999 ) 、秀丽白虾精子发生的研究(黄海霞等， 2001 ) 。本人在前人工作的基础上，利用透射电镜技术( tem )进一步研究了秀丽白虾精子的形态、结构及精子的发生过程，同时还研究了秀丽白虾卵的发育过程，从卵原细胞到卵黄发生前的卵母细胞、卵黄发生的卵母细胞及成熟卵细胞，各期卵细胞的形态结构特点及各部分结构的变化情况。