concave face

 
       
  • 凹面

concave face的用法和样例:

例句

  1. Is it the concave silver mace in legend?
    这就是传说中的凹面银锏?
  2. These are aberration-corrected holographic concave gratings.
    下表所列为像差校正全息凹面光栅。
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