大肠杆菌 T 蛋白含有三个结构域：分支酸变位酶、预苯酸脱氢酶和调节结构域。

T-protein from Escherichia coli consists of three domains: chorismate mutase, prephenate dehydrogenase and a regulatory domain.

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已有三个结构在翼缘节点板端部出现了裂纹。

Three structures have exhibited cracking at the ends of flange gusset plates.

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此外，您将需要创建三个函数的重载三个结构。

In addition, you will need to create three overloads of the function for the three structures.

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Now, for example, in our structure with ozone it's between all three atoms.

比如，在我们的臭氧的结构中,它们是在所有三个原子之间的。

麻省理工公开课 - 化学原理课程节选

This Cambridge History of Food talks about three separate primary phases in human food evolution: one beginning a million and a half years ago, another about 700,000 years ago, and then the 10,000 year ago one that I talked about just a moment ago.

剑桥饮食史》描述了,人类饮食结构演化过程中的三个不同阶段,其一,始于一百五十万年前,其二,距今约七十万年,其三,距今一万年,我们刚讨论过了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Okay.So that's an example of a classical composer, admittedly in a pretty straightforward situation, using the same three-chord chord progressions we find in the Beach Boys.

好，以上我们举了一个古典作曲家的例子，诚然这个选段的结构比较简单，直接了当，它所用的包含三个和弦的和弦进程与我们在Beach，Boys音乐中分析的相同。

耶鲁公开课 - 聆听音乐课程节选