“自动交换”的概念、定义、翻译、参考文献-科学参考

单词	自动交换
释义	自动交换 Encyclopedia 工学交换技术释 automatic switching自动交换电话或电报的交换操作无须人工干预，而是采用电控装置自动完成的交换方式。
随便看	planetary exploration planetary gear drive planetary geodesy planetary geology planetary interior or planetary internal structure planetary/interplanetary probe planetary ionosphere planetary magnetic field planetary magnetosphere planetary-mass companion planetary-mass object planetary meteorology planetary mill planetary motion planetary nebula planetary nomenclature planetary nutation terms planetary occultation planetary occultation of star planetary orbit planetary orbital elements planetary perturbation planetary photogrammetry planetary physics planetary plasmasphere

科学参考收录了854744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。