Right from the start there was trouble with the Hubble.从最开始哈勃望远镜就有问题.Equipment problems penultimate space walk to repair the aging Hubble telescope.太空行走修复老化哈勃望远镜的仪器问题.The shuttle Endeavour will be taking the astronauts t...
Using astigmatic method to extract information of light source in z axis.用散光的方法来提取光源在Z轴上的位置。The resonator ( astigmatic ) can be compensated by inserting a suitable thickness Brewster plate in the cavity.在腔内插入一定厚度的布儒斯特片可以...
好吧，关于生产商就讲这么多，那关于消费者呢？Well, so much for the producers. But what of the con-sumers?这样的法规可以保护消费者免受有害或者危险药品的威胁。Such laws could protect the consumer from harmful or dangerous remedies.财政部早就预测消费者支出会出现上扬。The Treasury has long ...
The coughing dislodged the fishbone from his throat.他一咳嗽就把卡在喉咙里的鱼刺咳出来了.I started coughing blood so they transferred me to a hospital.我开始咯血，于是他们把我转到了医院。His hoarseness and coughing showed that he had contracted a cold.他嗓音嘶...