paraboloid [pə'ræbəˌlɔɪd]

例句:

• The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
  作者证实:单叶双曲面和双曲抛物面是直线曲面.
  
• Paraboloid antenna is a very important and widely applicated antenna.
  摘要面天线是一种非常重要的,且应用广泛的天线.
  
• These surface forms including sphere, ellipse and paraboloid are commonly used to design the metal wall.
  球面, 椭球面,抛物面等是金属幕墙设计中常用的曲面形式.