| 单词 | arithmetic symmetry | 
| 释义 | arithmetic symmetry [¦a·rith¦med·ik `sim·ǝ·trē]  ELECTRONICS Property of a band-pass or band- rejection filter whose graph of amplitude versus frequency is symmetrical around a center frequency; that is, the left-hand side of the response is a mirror image of the right-hand side.  | 
	
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