透镜中心 lens center ; lens centre
透镜中心仪 lens centrementer ; lens-centring instrument
眼科配镜中心对话 Dialogues in Optometry Center
透镜中心厚度测量规 lens center thickness gauge
透镜中心偏差 Centering error of lenses
透镜中心定位器 Lens Centering Cells
明佳眼镜中心 BETTER SIGNT VISION CENTER
透镜中心误差 Centering errors of lenses
望远镜中心 ATNF
内镜中心办公室 Endoscopy Center's Office
凸透镜中心部分比周围要厚，它使光线会聚。
A convex lens is thicker at its center than its periphery. It causes rays to converge.
透镜中心：这指定的是透镜畸变中心，单位为像素。
Lens centre: This specifies the centre of lens distortion, measured in pixels.
该仪器可用于磨边或胶合定中心和检验透镜中心误差。
This instrument can be used for centering during edging and cement, and testing centering error of lenses.
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