| 单词 | ds | 
| 释义 | ds1 of 3abbreviation (1)  double-stranded  —typically used in combination  dsDNA Ds2 of 3 symbol  darmstadtium   DS3 of 3 abbreviation (2)1   [Italian dal segno]  from the sign   2   detached service   3   document signed   | 
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