1.【动】桡脚亚纲的动物
1.a tiny crustacean that lives among plankton and is an important food source for many fish.
1.Small, mosquito-eating fish and copepods (tiny crustaceans) have also been used with some success.
也曾使用过吃蚊子的小鱼和桡足虫（极小的甲壳虫类），具有一定效果。
2.The horizontal distribution of copepods in the upper wind position was 3~5 times that of lower wind position.
而在水体缺氧时，上、下风位表层高出底层近3倍。
3.Moreover, survival rate of yolk-sac larvae significantly decreased by the presence of copepods and bottom substrate (sand and silt).
此外，卵黄囊期仔鱼的活存率，明显地会受桡足类之存在与否及底质类型（砂质或泥质）之影响。
4.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。
5.Species composition, distribution and density of copepods showed significant seasonal variation.
各样点种类数差异不大，但组成上却有不同。
6.Tiny organisms called rotifers and copepods, meanwhile, consume bacteria, cleaning out pathogens like salmonella.
与此同时，轮虫和桡足动物之类的微生物又会消耗细菌，清除沙门氏菌一类的病原体。
7." Water flees fleas" are not insects but copepods , a crustation crustacean like lobster lobsters and crabs crabs but extremely small.
水蚤不是昆虫类而是桡脚类的动物，像龙虾或螃蟹那样有甲壳的，但是非常小的。
8." Water fleas" are not insects but copepods copepods , a crustacean like lobsters and crabs but extremely small.
水蚤不是昆虫而是桡脚类，是一种像龙虾和蟹一样的甲壳类动物，不过要小的多。
9."Water fleas" are not insects but copepods , a crustacean like lobsters and crabs but extremely small.
“水跳蚤”不是昆虫，但桡足类的甲壳类动物一样龙虾和螃蟹，但非常小。
10.The copepods abundance impact on the abundance distribution of fish eggs, larvae.
长江径流量变动对鱼卵仔鱼数量和分布产生一定的影响。