短語(yǔ)詞組短語(yǔ)Thin Tech Lens 狐彎鏡片thin convex lens 薄透鏡thin -lens law 薄透鏡定律thin aspheric lens 薄非球面透鏡Thin -Lens Equation 薄透鏡公式liquid thin convex lens 透鏡組 返回 thin lens