传输型六端口反射计是一种结构较简单、性能价格比较优良的微波测量装置. Microwaveline type six - port reflector is a microwave measurement apparatus with simpler structure and better price performance.
It has wide applications in the domain of multimedia communication, iatrology, police security, telemetry and avigation.它在多媒体通信, 医学, 公安, 遥感勘测和航空航天等领域有着广泛的应用,近来在国内外受到广泛的重视....
他紧紧抓着住倾覆的小船，高呼救命。He clung to the upturned boat, screaming for help.“救命！”我尖叫道，转身就跑。"Help!" I screamed, turning to run.这种新药有可能成为一种救命药。The new drug is a potential lifesaver....
添加的甲基汞的回收率据报到达90%左右.The recovery of added methylmercury was reported to be approximately 90 %.烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.六亚甲基二异氰酸酯 ( HMDI )...