focal-length
英 [ˌfəʊkl ˈleŋθ]
美 [ˌfoʊkl ˈleŋθ]
网络 焦距
双语例句
- Design of a Short Focal-length Zoom System
短焦距变焦物镜设计 - In proposed method, the Cerenkov radiation pass through a 1-meter focal-length thin convex lens, and a CCD camera is used to capture two images of Cerenkov radiation at the focal plane and at the image plane of the lens respectively.
文中提出了一种新的双成像法测量方法，使切伦科夫辐射光通过一长焦距的消色差薄透镜，分别在焦平面和像平面获取图像。 - Accurate measurement of long focal-length lens is in favor of right employment of optical apparatus and sufficiently exerting tactical performance of martial optical devices.
长焦距测量直接影响着光学仪器的使用和军用光学仪器性能的发挥。 - For the precision demand, the zoom lens used in capturing and tracing must output the focal-length accurately.
用于精密跟踪测量的变焦距镜头为了满足精确测量的需求，需要实时输出准确的焦距值。 - Study on Focal-Length Function or Positive Compensating Zoom Lens
正组补偿变焦距镜头的焦距输出函数 - Double focal-length wave-zone-plate interferometer with variable lateral shearing
横向剪切可变的双焦距波带板干涉仪 - At present, some difficulties are encountered in measurement of long focal-length of mirrors.
目前，大口径长焦距反射镜焦距的精确测量存在很大难题。 - Large aperture and long focal-length mirrors are widely applied in various technical domains such as aerial remote-sensing camera, astronomical optical system, ICF driver, and so on.
大口径长焦距反射镜在天文光学系统、空中遥感相机、激光核聚变驱动器等领域有广泛的应用。 - More than that, the large diameter, long focal-length, high precision off-axis parabolic mirror make this problem extremely difficult. This situation limits its application to a certain extent.
尤其是大口径、长焦距、高精度离轴抛物面反射镜的制造更是难上加难，这在很大程度上限制了它的应用。