根据不同的“顺序义”特征，表示时点的时间序列可以分为直线序列和循环序列两类。

According to the different features of the "ordinal meaning", the time sequence which stands for time point can be divided into two categories: the linear sequence and the cycling sequence.

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Simply walk down that list.

执行一个直线序列的程序。

麻省理工公开课 - 计算机科学及编程导论课程节选