Loads distort every component of the structure of the Cassegrain antenna system.载荷使卡塞格伦天线结构的每个部分发生变形.This paper presents a high power feed system for 7.3 m Cassegrain antenna.介绍用于?7.3mCassegrain天线的高功率馈源喇叭的设计.Participate ...
The agency has been vilified by some doctors for being unnecessarily slow to approve life-saving drugs.该机构因对救生药物的审批速度太慢而备受一些医生的诟病。The agency has been vilified by some doctors for being unnecessarily slow to approve life-...
当他们靠近时，大象又吼又跺脚。The elephants trumpeted and stamped their feet at their approach.一群大象缓慢而笨拙地穿过平原，朝水潭走去。A herd of elephants lolloped across the plains towards a watering hole.他的精心之作是一件大象雕塑。His tour de force is an elephant s...