在费用——效益分析法中,不但要考虑实际费用,还要考虑( )。
机会费用
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上一篇:质点做半径为R的圆周运动,它的速率为ν,角速度为ω,法向加速度大小为 切向加速度大小为Try to translate the following into Chinese .4.The country was relieved to see that the royal power could still be used to support its will, and the position of the crown was strengthened.
质点做半径为R的圆周运动,它的速率为ν,角速度为ω,法向加速度大小为 切向加速度大小为Try to translate the following into Chinese .4.The country was relieved to see that the royal power could still be used to support its will, and the position of the crown was strengthened.