英语词汇“Total Surface Area”是什么意思，翻译、用法及简单造句-英汉双解词典-英汉网

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单词	Total Surface Area
释义	Total Surface Area 原声例句 VOA慢速英语_世界 The researchers who worked on the new elephant count said the animals live throughout Gabon, covering 90 percent of the total surface area. 研究新大象数量的研究人员表示，这种动物生活在加蓬各地，覆盖了总表面积的90%。呼吸系统 Now, the total surface area of alveoli is about 140 square meters or 1,500 square feet. 现在，肺泡的总表面积约为140平方米或1500平方英尺。生物学基础入门 The total surface area for a human set of lungs is about 75 meters squared, which is as big as badminton court, and it's all packed into your chest. 人类肺的总表面积约为 75 平方米，和羽毛球场一样大，都塞进了你的胸膛。托福考试官方指南 When they looked at the shoot versus the root surface, they found that the shoot surface, with all of its leaves, had a total surface area of about five square meters. 当他们对比观察芽和根表面的时候，他们发现，芽表面包括其所有的叶子，总表面积达约5平方米。 TED-Ed（视频版） A cube measuring one micrometer on each side, that's one millionth of a meter, would have a total surface area of six square micrometers. 一个每边一微米的立方体，即一米的百万分之一，总表面积为六平方微米。中文百科表面积 Surface area （重定向自Total Surface Area）表面积是指一立体图形所有面的面积之和，或者用纸做成那个立体图形，所需要的纸的面积。 $a$ 为边长， $r$ 为半径， $h$ 为高正方体 $S=6a^2$ 长方体 $S=2\left(a_1a_2+a_2a_3+a_3a_1\right)$ 圆柱体 $S=2\pi r^2+2\pi r h$ （底面积+侧面积）圆锥体 $S=\pi r^2+\frac{1}{2}\sqrt{r^2+h^2}\times2\pi r = \pi r(r+a)$ （底+扇形： $S=\frac{1}{2}$ ×圆周×弧长）球体 $S=4\pi r^2$ 英语百科 Surface area 表面积（重定向自Total Surface Area） The surface area of a solid object is a measure of the total area that the surface of the object occupies. The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the definition of arc length of one-dimensional curves, or of the surface area for polyhedra (i.e., objects with flat polygonal faces), for which the surface area is the sum of the areas of its faces. Smooth surfaces, such as a sphere, are assigned surface area using their representation as parametric surfaces. This definition of surface area is based on methods of infinitesimal calculus and involves partial derivatives and double integration.
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更新时间：2025/6/22 5:30:32