“directional coupler”的概念、定义、翻译、参考文献-科学参考

单词	directional coupler
释义	directional coupler [dǝ`rek·shǝn·ǝl `kǝp·lǝr] ^ELECTRONICS A device that couples a secondary system only to a wave traveling in a particular direction in a primary transmission system, while completely ignoring a wave traveling in the opposite direction. Also known as directive feed.
随便看	wheeling wheel load capacity wheel printer wheel sleeve wheel static whelk wherryite whetstone Wheweel equation whewellite whey whiffletree switch WHILE statement whip antenna whipcord whip grafting Whipple's disease whippoorwill storm whipstock whipworm disease whirlpool Whirlpool galaxy whirly whisker whiskers

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。