objective lens

英 [əbˈdʒektɪv lenz]

美 [əbˈdʒektɪv lenz]

物镜

医学

英英释义

noun

• the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
  Synonym:objectiveobject lensobject glass

双语例句

• Adopted national standards micrometer scale calibration, it can get the actual numerical size after selecting the numerical scale that corresponding to objective lens in each test.
  通过国家标准测微尺标定后，每次测试只须选择与物镜相对应的比例尺数值即可直接得到样品的实际大小数值。
• There are two focal lengths for objective lens: 2m and 4m. They may be transfered one another.
  物镜焦距有两种：2米和4米，可互相替换。
• An image of the object is projected by the objective lens on to the photocathode of an image convert tube. If the screen is so far away from the eyepiece that the camera can be placed between.
  如果投影屏距目镜很远，照相机可放在两者之间。
• NUMERICAL CALCULATION OF HIGH ORDER ABERRATION COEFFICIENTS OF RADIAL GRIN LENS Alternatively, we can image that the incoming wave is diffracted by the object and the resulting diffracted wave is then diffracted again by the objective lens.
  梯度透镜折射率分布高次项系数的数值计算换一种方式，我们可以这样想象：入射波被物体反射，所得到的衍射波再一次受到物镜的衍射。
• A controller drives the objective lens via a focusing unit, and detects peaks in the reflected light signal obtained when the objective lens is driven in a focusing direction.
  控制器经聚焦单元驱动物镜，并且检测在当在聚焦方向上驱动物镜时得到的反射光信号中的波峰。
• Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens.
  带有高次曲面的扩束器物镜能对大相对孔径的透镜校正像差。
• In the next generation of optical disk system, GaN laser and high numerical aperture ( NA) objective lens are two key components.
  对于下一代光盘系统而言，GaN激光器和高数值孔径（NA）的物镜是关键组件。
• The objective lens designed is telephoto lens, which improves the observation range of system.
  设计的物镜为远摄型透镜，提高了系统的观察范围。
• The appropriate optical parameters would miniaturize the zoom objective lens.
  合理选取物镜的光学参数使变焦距物镜小型化；
• The geometric distortion is caused by using the ultra wide-angle objective lens which can ensure the image display system to generate 120 ° large field of view.
  为了保证图像显示系统能够产生120°的大视场，在系统中使用了超广角耦合物镜，这样就不可避免地存在几何畸变。