“directional gain”的概念、定义、翻译、参考文献-科学参考

单词	directional gain
释义	directional gain [dǝ`rek·shǝn·ǝl `gān] See <<directivity index>>
随便看	comb filter comb growth unit combination combinational circuit combination buoy combination cable combination chuck combination coefficient combination collar combination cycle combination die combination distributing frame combination-drive reservoir combination fuse combination lock combination mill combination plate combination pliers combination principle combination reaction combination rig combination saw combination spectrum combination square combination string

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。