invex不变凸
INVabbr.发明者(=Inventor)abbr.反相器(=Inverter)abbr.体外授精(=in vitro fertilization)
involute push broach渐开线推刀
invoicing department货品计价部
inveteerate criminal[法] 惯犯, 屡教不改犯
involutive quantalel对合Quantale
invariance condition不变的条件
involatile substance不挥发性物质
invigorating therapy补法, 补虚, 补养, 补益