1.
Its practicality effective aperture ratio has been improved to about92.8%, consequently the concen-tration efficiency of microlens array is increased.
其实测有效孔径比可达到92.8%极大提高了微透镜阵列的聚光效率。
2.
testing method for apparent opening size of geotextiles
土工布有效孔径测定法
3.
A Brief Explanation of Air Actuated DTH Hammer Drilling Efficiency
空气潜孔锤钻进是提高钻进效率的有效途径
4.
Effects of perforated polythene fresh-keeping bags of different diameters on vegetables
不同孔径有孔聚乙烯保鲜袋包装蔬菜的保鲜效果
5.
ratio of the pole spacing to the bore diameter of the pole pieces
极靴的间距与孔径比
6.
Antenna efficiency of an aperture-type antenna
孔径型天线的天线效率
7.
Synthetic Aperture Imaging Ladar(VI):Space-Time Speckle Effect and Heterodyne Signal-to-Noise Ratio
合成孔径激光成像雷达(VI):时空散斑效应和外差探测信噪比
8.
Comparison of German and English Grammar--An Effective Way for Learning German
德英语法比较——学好德语的有效途径
9.
guide twist drill
有导径的深孔麻花钻
10.
Three-dimensional Non-linear Finite Element Analysis of the Pile-Group Effect for Large-diameter and Super-long Pile-Group Foundation;
大直径超长钻孔灌注桩群桩效应的三维非线性有限元分析
11.
Determination of effective aperture and estimation of truncation energy in synchronous three-channel optical system for laser warning
同步三通道激光告警光学系统有效孔径的确定及截获能量的估算
12.
Defining Efficient Influence Radium of Drilling Hole Gas Extracting by Using Gas Flow Theory
采用瓦斯流场理论确定钻孔瓦斯抽采有效影响半径
13.
Study on Gas Storage Law and Effective Extracting Radius of Borehole in Deep Coal Seam
深部煤层瓦斯赋存规律及钻孔抽采有效半径研究
14.
Finite Element Analysis on Hole Radius of Circular-Web Opening Steel Beams
圆形开孔梁中开孔半径的有限元分析
15.
Association-Comparison-Discrimination Method--An Effective Channel to Enlarge the Vocbulary;
联想—比较—辨析法——扩大英语词汇量的有效途径
16.
Comparison and Integration:an Effective Way to Chinalization of Marxist Philosophy
比较与融合:马克思主义哲学中国化的有效途径
17.
overall f - number
总光圈大小, 总孔径焦距比
18.
Study on Micro Hole Drilling with High Aspect Ratio by Micro EDM
大深径比微细孔电火花加工技术研究