这种材料是一种叫做镓锰砷化物的东东.The material is a semiconductor called gallium manganese arsenide.确诊砷中毒以从尿、头发、指甲中检出砷化物为依据.Arsenic in urine and hair or nails is the key to diagnosis.口服摄入砷化物的急性症状有恶心、呕吐、口腔和喉部烧灼感及腹部剧痛;可出现循环性虚脱.Symptoms of...
The definition of operator homeomorphism mapping , together with its characterizations, is given in this paper.在算子开集理论中给出了算子同胚映射的概念, 得到了算子同胚映射的若干性质....
在阳光映射下,大街似乎闪闪发光.The main streets seemed shining in the sun.阳光映射在江面上.The sun shines upon the river.他的脸上的青黄色里,映射着一层暗的油光.There was a dark oily gleam in his sallow face....
He can perform an astonishing variety of acts, including mime and juggling.他能表演好几种令人惊叹的把戏，包括哑剧和玩杂耍。Soon she was juggling five eggs.没多会儿她就开始抛接5个鸡蛋了。Trying to continue with a demanding career and manage a child or two is a...
经济作物有胡麻 、 油菜 、 黄花 、 杏 、 苹果等.Economic crops include flax, canola, yellow, apricot, apple and so on.胡麻是一种重要的油料作物.The flax is one of the important oil crops.胡麻籽中含有诸多的营养保健功能成分.Many nutrition health protection functional comp...