警方的射击手开火回击时,购物者们躲在汽车后面。Shoppers took cover behind cars as police marksmen returned fire.他们遭遇警察时毫不犹豫地开火。They don't hesitate to open fire when confronted by police.有关军队开火的最初传闻现在遭到了否认。Earlier reports that troops opened...
讨论了采用不同的电磁多极场作为动态校正器的可能性.推导了圆形校正透镜、偏转校正场和四极、六极校正场引起的附加象差的公式.The possibility of dynamic aberration correction by using electro - magnetic multipole fields is discussed....
While economists are free to theorise, company chairmen are concerned with actualities.经济学家们可自由创建理论,公司总裁们则关心现实情况。And also, the study actualities of SCM based on E - business is summarized.对 电子商务 环境下的供应链管理研究现状作了总结.This pa...