便携式微缩胶片读出器-投影仪
portable microfiche reader-projector
变步长仿射投影算法
variable step-size affine projection algorithm
变量重要性投影
campus environment and its management
变频投影
Frequency conversion projection
便携式读出器-投影仪
portable reader-projector
标准极射赤面投影
standard equator plane projection
表面光学投影
surface optical projection
薄片的步进式投影曝光装置
wafer stepper projection system