planoconvex

常见例句

• A planoconvex lens used to concentrate light.
  凸透镜用来聚光的凸镜
• Seeds small, obovate, angular and wingless or planoconvex with a narrow marginal wing;
  种子小，倒卵形，具角和无翼的或平凸具一个狭窄的边缘的翅；
• a planoconvex lens.
  平凸透镜
• planoconvex spotlight
  平凸型聚光灯
• planoconvex lenses
  平凸镜片, 平凸透镜
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