triplet interval

例句：

1. 1. The triplets in the sequence are all within a certain range of values.
   序列中的三胞胎都在某个值范围内。
2. 2. The triplet interval between two consecutive numbers is the difference between them.
   两个连续数字之间的三胞胎间隔是它们之间的差值。
3. 3. In genetics, a triplet interval refers to the distance between three alleles at a single locus.
   在遗传学中，三胞胎间隔指的是单个位点上三个等位基因之间的距离。