该计数器包括倒相器和具有可选择级延迟的级联延迟级。

The counter includes an inverter and cascading delay stages having selectable stage delays.

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学生在二年级时可以选择出国学习。

Students have the option of studying abroad in their second year.

《牛津词典》

作为一种更好、更灵活的维护选项，可以选择在表空间级进行备份。

For a better and more flexible maintenance option, you can choose to back up at the table space level.

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With this, if I can assume that accessing the i'th element of a list is constant, then you can't see that the rest of that analysis looks just like the log analysis I did before, and each step, no matter which branch I'm taking, I'm cutting the problem down in half.

读取数组中的第i个元素,是个常量时间的操作的话，我也就能像以前那样得到,这个算法是对数级复杂度的分析,并且每一步不管我选择哪个区间，我都可以把问题的规模缩小一半。

麻省理工公开课 - 计算机科学及编程导论课程节选