| 单词 | SECBR (Severely Errored Cell Block Ratio) | 
| 释义 | SECBR (Severely Errored Cell Block Ratio) In asynchronous transfer mode (ATM), a dependabil- ity parameter expressed as the number of severely errored cell blocks (some number of cells transferred in a sequence) compared with the total number of cell blocks sent over a period of time. A severely errored cell block outcome is realized when more than some number of cells in a block is errored, lost, or misinserted. See also ATM, block, and cell. 74570c19.qxd 9/12/07 12:41 AM Page 431  | 
	
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