But whereas the other one was obviously forever, this allows you to specify a finite number of times that you wanna do something.

但又不同于“无限循环“,你可以根据需要,为它指定循环次数。

哈佛公开课 - 计算机科学课程节选

One of them has the right sequence of codons to specify the amino acid sequence of the protein, and the other one has a complimentary sequence.

该段带有正确的密码子序列,能够指导氨基酸序列合成蛋白质,另一段则是它的互补序列

耶鲁公开课 - 生物医学工程探索课程节选