常見例句plano convex waveguide 平凸波導(dǎo)plano convexadj. 一面平一面凸的(平凸的)plano convex lens 平凸透鏡A convex surface, body, part, or line. 凸面、凸面體、凸面部分或凸線Just as a double convex lens enlarges, so a double concave lens reduces. 正象雙凸透鏡可以放大那樣,雙凹透鏡也可以縮小。Light can be collected with the convex. 凸透鏡具有聚集光線的作用。 返回 plano-convex