反: reverse side程: rule; regulation求反程序: negate routine反弛豫: inverse relaxation反成键轨道 反键轨 非键轨道: antibondingorbital反驰式功率级: flyback power stage反成键轨道: antibonding orbital反齿链: inverted tooth chain; invertedtoothchain反成负担: to save time is to lengthen life; too much praise is a burden反齿数比: inverse gear ratio反城市战略: countercity strategy反斥: retorsion反称域: skew field