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 ...
These large institutions make — and change—the rules to suit themselves.这些大机构总是随意制定规定，而且说变就变。People will work themselves up into a state about anything.人们总会沉不住气，为任何事感到担忧。The small British crowd roared themselves hoarse, ...
Indications: For the treatment of the hookworm infection , ascariasis . enterbiasis and strongyloides sterocoralis infection etc.适应症: 适用于蛔虫、钩虫、蠕虫和粪类圆线虫等感染, 对丝虫病亦有一定疗效.Objective To observe the curative effects of ivermect...