You see, the quantum condition, by putting quantization into the moangular mentum it is propagated through the entire system. Orbit dimensions are quantized.

你们看，量子条件，通过把,角动量量子化，它就能在这个系统中进行传播,同时轨道大小也被量子化。

麻省理工公开课 - 固态化学导论课程节选

One can stop spread of disease through a community without being 100% effective in each person who gets the vaccine.

疫苗能够遏制疾病在整个社区中传播,虽然对于每个人来说它并非百分之百有效

耶鲁公开课 - 生物医学工程探索课程节选

And so letters would be copied,and books would be copied and sent around from different communities.

所以书信和书籍都会抄写,然后在各个团体中传播。

耶鲁公开课 - 新约课程节选

Texts were modified in the course of their transmission.

因此，在传播的过程中，经文被修改了。

耶鲁公开课 - 旧约导论课程节选

If I happen to have some other infectious disease, then not only would you passing the protection to smallpox, but you'd be passing that disease among the population as well.

如果正好还有其他传染病,那不仅会传播对天花的免疫能力,也在人群中传播其它传染病

耶鲁公开课 - 生物医学工程探索课程节选

We'll think about it in section, how you don't need to vaccinate everybody, but you just need to vaccinate a critical number in order to stop the disease from progressing through a community.

我们在讨论会上讲这个,为什么不需要给每个人都接种,但你只需要让接种人数达到一个临界值,就能阻止这个疾病在社会中传播

耶鲁公开课 - 生物医学工程探索课程节选