现在基本的基础架构已经就绪了，接下来添加一些测试。

Now that the basic infrastructure is in place, it's time to add some tests.

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首先一个基本的基础：一个装有按钮式的白衬衫，灰色牛仔裤。

Start with a basic foundation: a fitted button-down shirt in white, and a pair of grey jeans.

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测井曲线反映了地下地层的电性特征，是石油勘探开发重要的也是最基本的基础资料之一。

Log curve, which reflects electrical property about stratum, is one of the important and basic data in petroleum exploration and development.

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But beyond the basic needs, once our basic needs are met and that means food, shelter, basic education.

但超出基本需要后，当我们的基本需要得到满足，即有食物，住所，基础教育。

哈佛公开课 - 幸福课课程节选

Again. Basic premise of binary search, or at least we set it up was, imagine I have a sorted list of elements. We get, in a second, to how we're going to get them sorted, and I want to know, is a particular element in that list..

好，二分查找的基本前提，或者是我们建立二分查找的基础,我们已经有了一个排好序的元素列表，我们就需要知道如何来快速的排序,如何从列表中找到特定的元素。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, again, all together, this is the basis for modern chemistry, and examples I just gave you, are some of the things that modern chemists are working on -- some of the issues that our country faces and our world faces, and how chemistry is involved in that.

所以说,所有的这些就是现代化学最基本的基础，我刚给你们介绍的例子,都是现代化学正在研究的东西,一些我们国家和全世界面临的问题，以及它们和化学的关系。

麻省理工公开课 - 化学原理课程节选