英语翻译

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英语翻译

英语翻译
英语翻译
 

英语翻译
这应该是微积分里的 ...求相交的体积
You can use the definite integral to find the volume of a solid with specific cross sections on an interval,provided you know a formula for the region determined by each cross section.If the cross sections generated are perpendicular to the x‐axis,then their areas will be functions of x,denoted by A(x).The volume ( V) of the solid on the interval [ a,b] is

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