As the two charge distributions separate, leaving positive and negative sheaths.当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.In addition, various precision spiales and metallic sheaths can be made.同时, 可承接各种精密轴、套类零件的加工制造.The signal character...
As the two charge distributions separate, leaving positive and negative sheaths.当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.The production of sheaths has led to some new and unexpected difficulties.制造被筒时引起一些新的未预料到的困难.In addition, various p...
McDonnell received a contract in February 1952 for two prototypes of the single - engine, two - seat XV - 1 .麦收到了合同,1952年2月2原型的单引擎, 两个座位的第XV -1.RESULTS: Sixteen perlolyrine analogues were synthsized ( I ～ XVI ). Of them,...
His languid manner annoys me when there’s work to be done.有工作要做的时候,他那懒散的态度总叫我着恼。Although there are many superiorities in isometric profile connection , machining isometric profile shaft annoys us.等距型面轴联结具有很多优越性,然而对等距型面轴的...
所有的性激素, 例如雌激素 、 黄体酮和睾酮都是类固酮.All the sex hoymones, e . g. estrogens, progesterone, and testosterone, are steroids.所有的性激素, 例如雌激素, 黄体酮和睾酮都是类固醇.All the sex hormones, e . g . estrogens, progesterone, and testosterone, are ste...
庆祝莎士比亚诞辰400周年to celebrate the quatercentenary of Shakespeare's birth我们到的那天正是华盛顿的诞辰, 风雪交加, 天气极冷.We arrived on Washington's Birthday, a freezing , blowy, snowy day.爱迪生诞辰纪念日.The anniversary Thomas Alva Edison'...