It is underpopulated right now, so if you are still shopping for a humanities subject, this one bears the precious CI-H designation.

现在它们的选课人数比较少，如果你们还需要一门人文学科，这些都是很可贵的沟通密集型课程。

麻省理工公开课 - 固态化学导论课程节选

so you tend to move along in the program with a smaller group of students.

所以你一般跟人数比较少的一组学生一起学这些课程。

大学也在这里 - SpeakingMax英语口语达人

If you wish to change sections, you may do so only with permission of the subject administrators because it's very important that those sections be kept at a small population.

如果你们想要改时间，你只能在课程管理主任允许,的情况下这样做,因为让课程的人数保持在比较少的水平,是很重要的。

麻省理工公开课 - 固态化学导论课程节选

The 1:00 lecture is smaller group.

点的课，人数比较少。

麻省理工公开课 - 固态化学导论课程节选

So, these three are underpopulated.

这三个的人数比较少。

麻省理工公开课 - 固态化学导论课程节选