returneen.回国的军人；回国者returnv.返回；归还；回报；回应；申报n.归还；返回；（收益)回报；申报return difference回差returng titration返滴定法return commission回扣return facilities[机] 回程装置return subroutine返回子程序return radio path无线回路程径returned purchase退货return remittance[经] 退汇, 退回汇款return laser beam激光反射光束,激光反回光束return mechanisms四杆机构