电气: electrical; electric单元: unit; unit element; cell; lo ...的: 4次方是 The fourth power of 2 i ...实用: practical; pragmatic; functi ...系统: system实用系统: live system; utility system实用系统, 应用系统: utility system电气备用系统: electric standby电气单线系统图: electric single line systematic diagram文件操作实用系统: ufo utility for file operation单元的,一元的: unitarian单元的: elementary; monobloc; monophyletic; unitarian; unitary曝气单元: aeration unit旋涡单元的映象系统: image system of the vortex element操作系统的实时文字“交谈”的实用程序: talk unix单元的地址: bluetooth单元的列阵: cellular array单元的组集: a embly of element; assembly of elements多单元的: multicellular; polycell生物大气单元: bio atmospheric unit; bio-atmospheric unit系统中专门查询用户情况的实用程序: unix信息的实用性: practicality of information; practicalityofinformation中的实用程序: utilities in win32forth win32forth专利的实用性: practical a licability; practical applicability花费60亿美元的实验: the six billion dollar experiment