球冠体积、表面积在线计算器
球冠计算公式: |
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1. 球体积= 4 * π * r3 / 3 2. 球表面积 = 4 * π * r2 3. 球冠体积 = π * h2 * (3r - h) / 3 4. 球冠表面积 = 2 * π * r * h |
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Your Guide to Legal Angling Across America - US Fishing Licenses
Your Guide to Legal Angling Across America - US Fishing Licenses