当今已经没有恐龙生存了，但是我们可以在博物馆看到恐龙模型。

There are no dinosaurs alive today, but models of dinosaurs can be seen in the museum.

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我们在一家商店里找到了一架类似的飞机模型。

We found a similar model plane in a store.

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至此，我们已经准备好可以在weka内创建我们的模型了。

At this point, we are ready to create our model in WEKA.

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If de Broglie is correct, we could then model the electron in its orbit not moving as a particle, but let's model it as a wave.

如果德布罗意是对的，那么我们可以在电子轨道中建立电子模型,不是像粒子一样运动，而是像波一样运动。

麻省理工公开课 - 固态化学导论课程节选

When we did the spring, we had this theory of Hooke's Law that told us something, and we built a simulation, or built some tools around that theory.

当我们写弹簧程序的时候,我们有胡克定律来告诉我们原理，然后我们建立了一个仿真模型，或者说是在这个理论基础上建立了一些工具。

麻省理工公开课 - 计算机科学及编程导论课程节选

However, as you know, we didn't stop at the plum pudding model, which is good, because it's a little goofy, so it's nice to move on from that and move on we did.

我们并没有,停留在李子布丁模型上，虽然它很好,但这个模型有点傻。

麻省理工公开课 - 化学原理课程节选