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凹凸函效
  • [āo tū hán xiào]
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Comprehensive Chinese-English Dictionary

凹凸函效 [āo tū hán xiào]
  1. 1. [Mathematics] concave-convex function

Examples

这段路凹凸不平。
The road is very rough, and bumpy.
凹凸不平
山路凹凸难行。
汽车行驶在凹凸不平的山路上,颠簸得很厉害

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