单词	on-line business systems
释义	同OBS--on-line business systems
随便看	distance measurement with fixed angle distance measurement with fixed length distance measurement with horizontal base staff distance measurement with subtense bar distance measurement with vertical base staff distance measurement with vertical staff distance measures distance measuring equipment distance-measuring equipment distance measuring equipment (dme) distance measuring equipment {=dme} distance-measuring equipment (dme) distance measuring equipment 测距装置 distance-measuring error distance measuring instrument distance-measuring satellite distance measuring wedge distance medley distance meter distance method distance-- migration distance modulus distance, object distance-- object distance of