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float a,b,ef,r,u,w,h,z,f; /*zÎªÌØÕ÷×迹 efΪÏà¶Ô½éµç³£Êý rΪ½éÖʵĽéµç³£Êý*/

float qiua() ; float qiub() ; float qiuef(); float qiuf(); float qiuz(); main() {

printf(\ scanf(\

u=w/h; qiua(); qiub(); qiuef() ; qiuf(); qiuz();

printf(\ getch() ; return 0;

}

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return(a); }

float qiub() /*¼ÆËãbµÄÖµ*/ {

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float qiuef() /*¼ÆËãµÈЧ½éµç³£ÊýµÄÖµ*/ {

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float qiuf() /*¼ÆËãFµÄÖµ*/ {

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float qiuz() /*¼ÆËãÌØÕ÷×迹µÄÖµ*/ {

z=120*3.1415*log(f/u+sqrt(1+pow(2/u,2)))/(2*3.1415*sqrt(ef)); return(z); } 2.

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float qiua() ; float qiub() ; float qiuef(); float qiuf(); float qiuz(); main() {

printf(\ scanf(\

wl=0.10000; wh=10.00000; t=0.1;

while(fabs(t)>1e-3) {

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u=wh/h; qiua(); qiub(); qiuef() ; qiuf(); zh=qiuz();

w=(wl+wh)/2; u=w/h; qiua(); qiub(); qiuef() ; qiuf(); z=qiuz(); t=(z-z0)/z0;

if(z>z0) {

if(zh>z0) wh=w; else

wl=w; } else {

if(zl>z0) wh=w; else

wl=w; }

}

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