So the moral here, again, is whenever you're doing an implementation of a simulation, you do need to have some underlying theory about the model.

所以这里的寓意还是,不管你在做什么东西的仿真程序，你需要有一个,模型的底层程序。

麻省理工公开课 - 计算机科学及编程导论课程节选

He knew the same thing that had been observed by that point.

所以他所做的就是,把一个量子力学的模型。

麻省理工公开课 - 化学原理课程节选

And, he conducted experiments to test the plum pudding model.

他做了一个实验,枣糕布丁模型。

麻省理工公开课 - 固态化学导论课程节选