authentication of digital photo
compact disc - musical instrument digital interface
Digital Air Conditioning Units
digital air data computer
digital air data computer system
digital instrument
数字仪表
数字式仪表
数字电表
数字式仪器
数字仪器
数码化仪器
digital instrument transformer
digital photo elasticity
digital photo graphic system
instrument digital technique
microstructure of materialmusical instrument digital interface