Under normal environmental conditions, Daphnia populations are exclusively female and reproduction is clonal.在正常环境条件下, 水蚤均为雌性并且采取无性繁殖.Results: Daphnia magna could detect the toxicity of water and water resource polluted ...
他是位实行者, 不是空谈者.He's a doer, not a talker.先有行为; 诗人是人生的实行者.Life comes first; the poet is the executor of life.凯恩斯学派和新政实行者们逐渐退场.Keynesians and New Dealers seem to be in a slow retreat....
他发明了印染的新工艺.He invented a new process of dyeing.在这些废水之中值得注意的是来自纺织工业的印染作业.Notable among these are wastes from dyeing operations in the textile industing.她们穿的是印染得很花哨的廉价的紧身衣.They were dressed in cheap gaily printed frocks th...