“manual switchboard”的概念、定义、翻译、参考文献-科学参考

单词	manual switchboard
释义	manual switchboard [`man·yǝ·wǝl `swich´bȯrd] ^ELECTRICITY Telephone switchboard in which the connections are made manually, by plugs and jacks, or by keys.
随便看	basipetal basipodite basipterygium basis basis metal basisternum basistyle basis weight basitarsus basket basket barrel basket cell basket coil basket-handle arch basket star basket strainer basket sub basket tube basket-weave basket winding Basommatophora basonym basophil basophilia basophilous

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。