Two cities stop in Friday fall, but still bounced the asthenia.两市于周五止跌, 但仍反弹乏力.Objective Observation of asthma capsules in the treatment of mice asthenia Diseases.目的观察平喘胶囊对小鼠虚喘症的治疗作用.Objective: The morbidity rate of asth...
解释为什么钡能形成过氧化物而铍则不能。Explain why barium forms peroxide but beryllium does not.然而铍的毒性限制了它的作用.However the toxic properties of beryllium limit its application.但如果用铝包覆铍,则可避免加工过程中及储存期间的中毒问题.Toxicity problem in manufacturing and...
The source is made of semiconductor laser, collimating and coupling system, narrow pulse driving circuit.光源包括半导体激光器 、 准直耦合元件和窄脉冲发射驱动电路.I would have preferred somebody who had wider ideas, and he was rather narrow.我会更倾向于一...
The fallibility of science is one of the great betrayals of our times.科学的不可靠是我们的时代最大的一种背叛。Betrayals in war are childlike compared with our betrayals during peace.战争中的背叛在你我间看似平静的背叛面前显得无足轻重....