0.358061005000000*2<=sin(a)<=0.767742669129844*2
    0<=-(x-1)^2+4<=4
    2*(3/10+ 5229670409655129/90071992547409920) <= sin(alpha)<=2*(26295227247788973/2251799813685248-2/5)
    3/10+5229670409655129/90071992547409920 <= sin(alpha)/2 <=26295227247788973/22517998136852480-2/5
    （16/（0.5A-0.06））+(35/(0.5A-0.1))≤(20/0.02)
    2/5 <= 26295227247788973/22517998136852480 - sin(alpha)/2 3/10 <= sin(alpha)/2 - 5229670409655129/90071992547409920
    （16/（0.5A-0.06））+(35/(0.5A-0.1))≤(20/0.02)
    （20/（0.5A-0.02））+(35/(0.5A-0.1))≤(16/0.06)
    2*(5229670409655129/90071992547409920+2/5)sin(alpha)<=2*(26295227247788973/22517998136852480-2/5)
    sin(alpha)<=2*(26295227247788973/22517998136852480-2/5)
    （2y-4）^2-4（y-2）（3y+7）≥0
    (264*7+88x)/(264*88)<0.22
    cos(x)<=0.5
    cos(x)>=0
    (264*7+88x)/(264*88)<0.21
    (264*7+88x)/(264*88)<0.2
    （20/（0.5A-0.02））+(35/(0.5A-0.1))≤(30/0.06)
    abs(3x-4)<1+2x
    （30/（0.5A-0.06））+(20/(0.5A-0.02))≤(35/0.1)
    (1+x)÷x≤1+2x+1

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