我与食俱进
底面积 [词典] [计] floor space; [例句]你要测量的是，底面积为r高为1的棱柱的体积。What you would be measuring is the volume of a prism with base r and height one.
安妮果果33
正数Positive number、负数Negative number、整数Integer、有理数Rational number、无理数Irrational number、 一次函数A function、二次函数Quadratic function、反比例函Inverse function、三角函数Trigonometric functions 勾股定理Pythagorean Theorem 设……为X Set ... ... for the X 给一下球体的表面积和体积公式 To look at the sphere surface area and volume formulas （A交B）` (A cross B) `是不是A交B与一点，那个撇就是点撇？(这个不是很清楚) 体积Volume、面积Area、周长Perimeter、长length、宽width、高height、底面积Bottom area、侧面积Side of the area、表面积Surface area 坐标Coordinate、截距Intercept（与Y轴的交点The intersection with the Y-axis）、交点Point of intersection 延长……到……To extend the ... ... ... ... （延长AB到C Extend AB to C)
