Encyclopedia > Envelope

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Envelope

  1. An envelope is a container used for sending mail (letters) through the postal system.
  2. An envelope is a mathematical curve tangent to a family of lines.
  3. An envelope is a curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.



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French resistance

... in France that is right-wing conservative) Interallie[?] - Intelligence organization of Roman Cziarnowski[?] and Mathilde Carre[?]. Crushed 1942. ...

 
 
 
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