convexity

• 1. 凸面: convex side | male face | Lands | convex surface
• 2. 凸面加工: crowning
• 3. 凸面镜: convex mirror | convex lens | espelho convexo | convex x mirror | convex mirror

更多释义

• 1.由于凹面与凸面之间没有磨损，螺母可以重复使用。
  Because there is no abrasion between the concave and convex, the nut is reusable.
  dict.yoduao.com
• 2.它们是透镜，因为它们是凸面容器，当它们盛满水后，它们可作为透镜使用，你可以看到它们里面上下颠倒的地平线。
  They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
  dict.yoduao.com
• 3.“那就是用这些凸面来反光，”他说。
  'It's all about having those convex surfaces to reflect light,' he trills.
  dict.yoduao.com

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