“photoelectric relay”的概念、定义、翻译、参考文献-科学参考

单词	photoelectric relay
释义	photoelectric relay [¦fōd·ō·i`lek·trik `rē´lā] ^ELECTRONICS A relay combined with a phototube and amplifier, arranged so changes in incident light on the phototube make the relay contacts open or close. Also known as light relay.
随便看	bounded product bounded sequence bounded set bounded sum bounded variation bound electron bound glue state bounding mine bound level bound particle bounds register bound symbol bound symbol sequence bound variable bound vector bound water bourbon Bourdon pressure gage Bourdon tube Bourges process bourne Bournesville's disease bournonite bourrelet Boussinesq approximation

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。