词汇	精索的
释义	精索的医spermatic
随便看	average extra defective limit average extra defectives limit average eyesight average face average factory workweek average factory work week average fading average fading frequency average fading rate Average Failure Number average failure probability on demand average failure rate average family performance average family size Average Family Size Average Family Sizes average fertility number average fiber diameter average fiber length average fiber length grit average fiber number average fibre diameter average fibre length grit average fibre number average fidelity criterion