求翻译：研究了重金属Cu2 +、Zn2 +、Fe3+、Co2 +等对长毛对虾幼体的毒性，对受试生物的生长、摄食、存活均受到不同程度的影响，和对日本沼虾摄食率及体内碱性磷酸酶、胃蛋白酶和类胰蛋白酶的影响。Cu2 +在中国对虾体内的累积规律和致毒效应，对体外培养的日本沼虾血细胞的影响。向经过螯合剂Cephlex 10 0处理的海水中添加金属离子,进行培养中国对虾糠虾幼体和仔虾幼体 ,观察金属离子对变态发育及其体内碱性磷酸酶和ATPase活性的影响， 重金属污染物在甲壳类体内的行为研究。是什么意思？

Studied the heavy metals Cu2 +, Zn2 +, Fe3 +, Co2 + and other long-haired shrimp larvae on the toxicity of the subjects of biological growth, feeding, survival, are subject to varying degrees, and the feeding rate of the Japanese and Macrobrachium alkaline body phosphatase, pepsin, and the impact of

Research by the heavy metal Cu Zn 2 +, 2 +, 3 +, Fe Co 2+ as well as the toxicity of Chinchilla larval prawns, the growth of the test organisms, feeding, survival are subject to different levels of impact, and the Japanese 20-90 shrimp feeding rates and intimate alkaline phosphate stomach protease e

Studied heavy metal Cu2 +, Zn2 +, Fe3+, Co2 + and so on to has grown hair the shrimp young animal toxicity, to received tries biological the growth, takes in food, the survival receives the varying degree the influence, with took in food rate and in vivo alkalinity phosphatase to the Japanese palaem

Research of heavy metal Cu2+, Zn2+, Fe3+, Co2+, and other toxic to larvae of Penaeus penicillatus, on growth, food intake, the subject's biological survival is subject to different effects, and Japan macrobrachium feeding rate and its in vivo effects of alkaline phosphatase enzyme, pepsin and trypta

Research of heavy metal Cu2+, Zn2+, Fe3+, Co2+, and other toxic to larvae of Penaeus penicillatus, on growth, food intake, the subject's biological survival is subject to different effects, and Japan macrobrachium feeding rate and its in vivo effects of alkaline phosphatase enzyme, pepsin and trypta