An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



passive system
  راژمان ِ اکار  
râžmân-e akâr
Fr.: système passif  

An electronic system which emits no energy, and is not detectable.

See also:passive; → system.