表面积 (biǎo miàn jī) — surface area

Definition

Examples

• 这个立方体的表面积是六平方米。
  Zhè ge lì fāng tǐ de biǎo miàn jī shì liù píng fāng mǐ.
  The surface area of this cube is six square meters.
• 球的表面积比同样体积的立方体小。
  Qiú de biǎo miàn jī bǐ tóng yàng tǐ jī de lì fāng tǐ xiǎo.
  The surface area of a sphere is smaller than that of a cube of the same volume.
• 计算这个圆柱的表面积需要知道半径和高。
  Jì suàn zhè ge yuán zhù de biǎo miàn jī xū yào zhī dào bàn jìng hé gāo.
  To calculate the surface area of this cylinder, you need to know the radius and height.