“发球机”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	发球机
释义	发球机 pitching machine
随便看	optical collector optical colorimetry optical colourimeter optical combiner optical communication optical communication channel optical communication link optical communication receiver optical communication system optical communication technique optical commutation circuit optical comparator optical compensating system optical compensation optical compensation camera optical compensator optical component optical computer optical computing optical conduction optical conductivity optical conductor optical conductor loss optical connector optical constant