?技术理论
... 技术诀窍，技术秘密，技术知识 technical know-how 技术理论 technical know-why (电厂或其他设施)技术上能服役的年限 technical life ...
But if you have the technical know-how, why not try your hand at creating the next great gadget or electronic service?
FORBES: Out-of-Work Execs: Start a Company, Create Jobs, Lead a Comeback
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。