1.
condenser aperture

聚光镜孔径;聚光镜孔径;聚光器孔径;聚光器孔
2.
diameter and number of hole

喷嘴量孔孔径及数目
3.
large core high numerical aperture fiber

大芯径大数值孔径光纤
4.
The diameter of the objective of a telescope.

孔径望远镜物镜的直径
5.
ultra-rapid lens

甚大光强[相对]孔径物镜
6.
scanning aperture photomultiplier

扫描孔径光电倍增管
7.
electronic boresight scanning

电子孔径瞄准器扫描
8.
variable hole fruit grader

可变孔径的水果分级机
9.
maximum opening diameter without reinforcement

不另行补强的最大孔径
10.
L-band synthetic aperture radar

l波段合成孔径雷达
11.
ratio of the pole spacing to the bore diameter of the pole pieces

极靴的间距与孔径比
12.
filled aperture radio telescope

连续孔径射电望远镜
13.
aperture synthesis radiotelescope

综合孔径射电望远镜
14.
object lens of large relative aperture

大相对孔径(摄影)物镜
15.
short focal length (high aperture) lens

短焦距(大孔径)透镜
16.
testing method for apparent opening size of geotextiles

土工布有效孔径测定法
17.
Antenna efficiency of an aperture-type antenna

孔径型天线的天线效率
18.
Co-Phasing Error Study of the Sub-apertures' for Optical Sparse Aperture System

光学稀疏孔径成像系统子孔径位相误差研究