光电产业的英文：
opto-electronics industry

electronics是什么意思：
n. 电子学；电子工业；电子器件

electronic mailbox device for receiving and storing electronic mai
接受、储存电子邮递的装置.

Electronic mailbox device for receiving and storing electronic mail
接受、储存电子邮递的装置.

Do you have a marine electronic diploma?
你有航海电器执照吗？

industry是什么意思：
n. 企业，行业；【总称】工业；勤勉，勤奋；

primary industry,secondary industry,tertiary industry
第一产业、第二产业、第三产业

learned industriousness
习得勤奋性

Industrial research is the province of the Department of Trade and Industry.
工业研究属贸易和工业部的职责范围。