һ˫ƤЬԭ300Ԫۼ240Ԫ۵ģ[]ABCD-꼶ѧ

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һ˫ƤЬԭ300Ԫۼ240Ԫ۵ģ

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רȨ⡰һ˫ƤЬԭ300Ԫۼ240Ԫ۵ģ[]ABC..Ҫ  ٷļ㣬ٷӦ  ȿ⡣Щġ£

ٷļ㣬ٷӦ

ƣٷļ㣬ٷӦ

  • İٷļ㷽

  • ٷӦϵʽ
    Ϣļ㹫ʽϢ=ʡʱ䡣 
    ٷʣѿ=ѿ100%
    =Ϣ±100%
    =ּۡԭ
    =ʵճɡ¼ƻճ
    ˰=Ӧ˰100%
    =۳-ɱ=³ɱ100%=۳ۡ³ɱ-1100%
    ۿ=ʵۼۡԭۼۡ100%ۿ<1
    Ũ⣺
    ʵ+ܼ=Һ 
    ʵҺ100%=Ũȣ 
    ҺŨ=ʵ 
    ʵŨ=Һ