1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a)) = 1/(2*1.92)
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a)) = 1/(2*1.915)
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a)) = 1/(2*2.1909)
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a))=1/(2*2.1909)
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a))=1/(2*2.1909)
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a))=0.5*2.1909
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a))=1/4.3818
    1-a/(1.66+a)+1/6.28318530718sin(6.28318530718a/(1.66+a))=1/4.3818
    1-a/(1.66+a)+1/6.2831852sin(6.2831852a/(1.66+a))=1/4.3818
    1-a/(1.66+a)+1/6.2831852sin(6.2831852a/(1.66+a))=1/4.3818
    (0.168+0.084672x)/(0.00339+0.01344x)＝25
    1-a/(1.66+a)+1/6.2831852sin(6.2831852a/(1.66+a))=1/4.3818
    （X-360）*75%/3800=（X-660）*75%/2800
    （8972+51.44+X）*3.5% = 4X
    x=1/(9*x)
    abs(x)=x
    1.030=（0.0448-3.32）/(1+(X/1200)^0.965）+3.32
    0.138=（0.0448-3.32）/(1+(X/1200)^0.965）+3.32
    0.093=（0.0448-3.32）/(1+(X/1200)^0.965）+3.32
    1.537=（0.0448-3.32）/(1+(X/1200)^0.965）+3.32

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