rate of substitution

• 替换率

rate of substitution的用法和样例：

例句

1. The length and substitution rate of these alignments can be chosen so that they appear frequently in significant similarities yet still remain rare in the background sequence.
   这些对齐的长度和替换率可以选择，使其在重要的相似性中出现频繁，而在背景序列中出现很少。