aperture

• Micrographics - use of bar codes on aperture cards
  缩微摄影技术.开窗卡上条形码的使用
• Photography . photographic equipment . range of apertures
  摄影.摄影器材.光圈大小的分级
• The aperture should be fully opened for best result
  拍摄时应把光圈尽开。
• Point spread function in coded aperture imaging system
  编码孔径成像系统中的点扩散函数
• Development of synthetic aperture radar and jam technique
  合成孔径雷达的发展与干扰技术
• Wire gauze with triangular apertures and round wires
  三角孔圆丝金属网
• Micrographics . aperture card , data processing type
  缩微照相. mm缩彩胶卷用机械穿孔缩微卡
• Numerical aperture measurement of graded - index optical fibers
  分级指数光纤的数值孔径测量
• Flood protection products - specification - building apertures
  防洪用品.规范.建筑物排水孔
• Horology - casing for two - piece case with round aperture
  钟表业.带圆孔的两件式表壳用外套