通过建立表、访问表来实现树的存储和广度优先搜索。

Tree breadth-first search and tree memory can be fulfilled by setting up and making access of data list in the paper.

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我们用rake db： test： prepare命令在数据库中建立表。

We will build the tables in our database using the rake db: test: prepare command. Running this command will duplicate the schema from the development database into the test database.

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结果表明：模型输出数据与实测数据相当吻合。证明使用人工神经网络建立表冷器模型是可行的。

The result shows the output of model based on artificial neural network is identical with the real output.

youdao

And then we looked at this little loop before, for i in range number of stocks, I'm going to create two different lists of stocks, one where the moves, or distributions, are chosen from a uniform, and the other where they're Gaussian.

这里的这个小循环，因为i代表股票，我会建立两个不同的股票链表，一个是代表股票价格的移动，或者说是分布，它们是从均匀分布中得出的，而另一个链表是从高斯分布中得出的。

麻省理工公开课 - 计算机科学及编程导论课程节选