【物理】直射影像照相机【物理】直接像照相机

direct current

direct labor hour rate

direct with burning cartridge for internal-combustion engines

direct epifluorescent filter technique

direct material cost variance【会计】

three direct links (mail, air and shipping services and trade) and bilateral exchanges

on-column direct laser detection

direct【科技】;immediate【科技】;straightforward【科技】