| 单词 | Hilbert parallelotope | 
| 释义 | Hilbert parallelotope [`hil·bǝrt ´par·ǝ`lel·ǝ´tōp]  MATHEMATICS 1. A subset of an infinite- dimensional Hilbert space with coordinates x1, x2, . . . , for which the absolute value of xn is equal to or less that (1/2)n for each n.  2. The subset of this space for which the absolute value of xn is equal to or less that 1/n for each n.  | 
	
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