| 单词 | symmetric transformation | 
| 释义 | symmetric transformation [sǝ¦me·trik ´tranz·fǝr`mā·shǝn]  MATHEMATICS A transformation T defined on a Hilbert space such that the inner products (x,Ty ) and (Tx,y ) are equal for any vectors x and y in the domain of T.  | 
	
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