| 单词 | 透镜的 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Canada balsam〕A viscous, yellowish, transparent resin obtained from the balsam fir and used as a cement for glass lenses and for mounting specimens on microscopic slides.加拿大香脂：从香脂冷杉中获取的一种有粘性的、淡黄色的透明树脂，用作玻璃透镜的胶合剂或将标本粘贴在显微薄片上美国传统〔FL〕Focal length.（透镜的）焦距美国传统〔anastigmatic〕Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.消像散的：消像散的。用于复合透镜，其中分隔部分抵消了每一个透镜的散光效果美国传统〔axis〕A line through the optical center of a lens that is perpendicular to both its surfaces.光轴：通过透镜的中心垂直于物体两面的线美国传统〔distortion〕A change in the shape of an image resulting from imperfections in an optical system, such as a lens.失真，畸变：光学系统，如透镜的不完美而导致的图象形状的变化美国传统〔f/〕Relative aperture of a lens.透镜的相对孔径美国传统〔facet〕Biology One of the lenslike visual units of a compound eye, as of an insect.【生物学】 小眼面：复眼的像透镜的视觉单位，如昆虫的美国传统〔focal point〕The focal length is the distance between the principal point of a lens and the focal point.焦距是透镜的主点与焦点之间的距离。外研社新世纪〔lenticular〕Of or relating to a lens.透镜的，或与透镜有关的美国传统〔lenticular〕Shaped like a biconvex lens.双凸透镜状的：形状像双凸透镜的美国传统〔turret〕A rotating device holding various lenses, as for a microscope, allowing easy switching from one lens to another.透镜旋转盘：一种装有各种透镜的可旋转装置，如显微镜上的，可以使转换透镜变得很容易美国传统 |
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