| 定积分应用拾零 |
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| 引用本文： | 肖海华.定积分应用拾零[J].十堰职业技术学院学报,2000,13(2):72-76. |
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| 作者姓名： | 肖海华 |
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| 作者单位： | 十堰职业技术学院计算机工程系，湖北十堰442000 |
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| 摘 要： | 本用定积分的元素法，归纳出含有内切圆的多边形的面积与周长间、含内切球的几何体的体积与表面积间的微积分关系，并给出计算旋转体体积的一般公式。
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| 关 键 词： | 定积分 旋转体体积 微积分 内切圆 周长 几何体 内切球 面积 公式 多边形 |
Some applications of definite integral |
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| XIAO Hai,hua.Some applications of definite integral[J].Journal of Shiyan Technical Institute,2000,13(2):72-76. |
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| Authors: | XIAO Hai hua |
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| Abstract: | This paper,applying the element analysis of definite integral, has induced an algorithm of infinitesimal to value the ratio between the perimeter of a polygon and the area of the polygon with an inscribed circle, the ratio between the surface of a geometric body and the volume of the geometric body with an inscribed sphere.The paper has also offered a formula of the volume of a rotator. |
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| Keywords: | element analysis perimeter area volume rotator |
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