Cladocera
基本解释
- 枝角类
英汉例句
- When it was 13 days old,the bait would changed to nauplius of Artemia and baby-size Cladocera、Copepoda.
13日龄后的仔鱼开始陆续投喂卤虫无节幼体和小型的枝角类、桡足类等。 - It was found that the dominant organisms in the surface water resources in Xi an were Tubifex, Cladocera and Chironom.
本课题对西安市地表水源中的生物孳生进行了近2年的研究,确定出颤蚓、摇蚊幼虫和枝角类水蚤为本地区最主要的水生污染种类。 - Stomach contents examination of two specimens showed a large volume of Spirogyra sp., Cladocera, sediments (sand) and unidentified organic matter.
从其中两个样本的胃中检验出到某种水绵，水蛋，沈积物(沙)与不明有机碎屑。 - The average biomass of zoo-plankton is 1. 10 mg/1, in which the copepoda presented 30. 9%, the cladocera - 24. 5%. The rotifera and protozoa are 26.4%. and 18.2%, respectively.
浮游动物生物量平均1.;10mg·L~(-1);其中桡足类占30 - Through this survey we could got such conclusion.Among zooplankton, the species of Copepods was the most, but its abundance was fewer than that of Chaetognatha and Cladocera.
通过这次调查，得出以下结论：大亚湾桡足类种类较多，是浮游动物第一大类群，但数量上次于毛颚类和枝角类；