圆弧

• The trees arched over the river .
  这些树的枝叶成圆弧形，遮覆河上。
• The beam will deflect into a circular arc .
  该梁将弯成一个圆弧。
• The ray paths are circles .
  射线路径呈圆弧状。
• There it raises its large curves still, eclipsing the hills .
  它依然拱起它那庞大的圆弧，遮挡了山峰。
• It consists of a flattened brass tube closed at one end and bent into a circular form .
  它是由一端封闭并弯成圆弧形的扁黄铜管构成的。
• A radian is the angle subtended by an arc of a circle whose length is just equal to the radius .
  一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。
• The circular - arc - shaped gallery plaza in guanyintang
  圆弧形的观音堂画廊广场。
• Construction technology for big arc projecting roof eaves
  屋面圆弧大挑檐施工技术
• Mid - pressure vane motor with arc push rod for ship
  船用中压圆弧顶杆式叶片马达
• Improving method for time dividing arc interpolation
  时间分割圆弧插补改进算法