三分贝定向耦合器 three dB directional coupler;
热门单词
- 一把抓
- 一箱
- 一般代理人 general attorney;
- 七色板
- 万圣节宣言
- 万能剪切机 multipurpose shearing machine;
- 万能吸附剂 all-round adsorbent;
- 万能调整仪 universal setting gauge;
- 三棱镜
- 三棱镜摄谱仪 three-prism spectrograph
- 三棱镜盘 prismatic disc;
- 三氯丙烷 trichloropropane;
- 三灾八难
- 三相感应电动机 three-phase asynchronous motor; three-phase induction motor;
- 三硫磷 carbophenothion; Dagadip; Garrathion; Nephocarp; T-rithion; S-para-chlorophenyl-thio-methyl-O O-diethyl phosphoro dithioate;
- 三糖
- 三角高程平差 adjustment of trigonometric levelling;
- 三通道放大器 three-path amplifier; three-channel amplifier
- 三重切面 tritangent plane;
- 上位
- 上半身
