The reactions of fish to AC can be distinguished into four stages: electrifying, electrotaxis, electronarcosis and electrocuting. 鱼对交流电的反应可分成四个阶段: 感电 、 定向 、 麻醉和击昏反应.
Mary Ann's exhilaration gave way to gnawing fear.玛丽·安从欣喜若狂变得忧惧不安。The dog was gnawing a bone.那狗在啃骨头。He was afflicted always with a gnawing restlessness.他老是被一种叫人苦恼的不安情绪折磨着....
这些货物必须以坚固锡边板箱包装.These goods must be packed in a strong tin - lined case.挡板两端制有边板连接螺丝.Sideboard connecting screws are made on two ends of the baffle.边板上垂直于边板板面均匀制有模块连接孔,挡板连接孔.Module connecting holes and baffle holes are e...
These free spaces involve program issue not only, also involve hypostatic issue.这些自由空间不仅涉及程序问题, 也涉及实体问题.What complicates the issue is the burden of history...历史的重负使问题复杂化了。The findings are in the May issue of the Archives...