单词	前后比
释义	前后比 front-to-back ratio
随便看	current user Current user connections and locks current user coordinate system current user name current use system current use value current utilizing situation current valley current value current value accounting current-value accounting current value approach current value costing current value cultivation current value depreciation current value financial statement current value income current variable current variable attenuator current variable-structure control current variation current vector current vector actuator current vector angle current vector potential