数字化地震观测资料
Digital seismic observational data
航测数字化测图
Aerophotogrammetry digital mapping
数字化观测系统
the digital observation system
数字-数字数据变换器
digital-to-digital data converter
采样数字化测量
digital sampling measuremen t
带正负号数字数字系统
signed digit number system
航测数字化
aerophotogrammetry digitizing
内外业一体数字化测图
Field and office integration digital mapping
全数字化数据存储
total digital data storage
全野外数字化测图
entire outdoor integration digitization mapping