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     1/x(1)+1/x(2)-1/t3=0£¬
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feixiaolin

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3Â¥: Originally posted by xiashaoyan at 2014-08-20 21:25:00
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xiashaoyan

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2Â¥: Originally posted by feixiaolin at 2014-08-20 20:58:24
X(i,1), X(i,2) ʲôÒâ˼£¿

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xiashaoyan

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4Â¥: Originally posted by feixiaolin at 2014-08-20 21:37:49
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T=50;
f=(T-24.5)/(T+570.82);
a1=5.319725;
a2=0.09147285;
a3=0.3165008;
a4=100.2028;
a5=11.37639;
a6=0.01497046;
b1=4.753469*10^-7;
b2=3.310965*10^-8;
b3=2.760513*10^-5;
t3=1.064;
z=31.5;

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1/x(1)+1/x(2)-1/t3=0
x(5)/t3-x(4)/x(2)-x(3)/x(1)-1/z=0
x(3)^2-(a1+b1*f+(a2+b2*f)/(x(1)^2-a3^2)+(a4+b3*f)/(x(1)^2-a5^2)-a6*x(1)^2)=0
x(4)^2-(a1+b1*f+(a2+b2*f)/(x(2)^2-a3^2)+(a4+b3*f)/(x(2)^2-a5^2)-a6*x(2)^2)=0
x(5)^2-(a1+b1*f+(a2+b2*f)/(t3^2-a3^2)+(a4+b3*f)/(t3^2-a5^2)-a6*t3^2)=0

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