The switch between the two phases was hard to spot at the time, but probably happened in 2001-02.

2段时期的转折点很难界定，但有可能是出现在2001——2002年之间。

youdao

These differences lead to a slightly different focus in the measurement approaches during the two phases.

这些不同之处致使两阶段中度量方法的重点有些不同。

youdao

The application of control theory has essentially two phases: dynamic analysis and control system design.

控制理论的应用有两个基本的阶段：动态分析和控制系统设计。

youdao

If you let it sit they settle out into two phases again, that's how triglycerides behave.

如果静置不动它们会再次分成两部分,这就是甘油三酯的性状

耶鲁公开课 - 生物医学工程探索课程节选

Two phases, but one component.

两个相，但只有一种组分。

麻省理工公开课 - 热力学与动力学课程节选

So what I want to point out about them is that they're made up of two nodes, and what you can see is that nodes are shown in different colors here and those are different phases.

关于它们我要指出的是,它们有两个节点，你们可以看到在这里,这些节点的颜色不同，它们的相位不一样。

麻省理工公开课 - 化学原理课程节选

The second phase doesn't occur until there's a period of well-being between the two phases.

CNN: "The Secret Life of Germs" author Philip Tierno

The peace process, if it is to continue, must now pass through two phases.

ECONOMIST: War and terrorism | The

In the second of two phases, the new college would create "additional partnerships" with other SUNY campuses.

WSJ: APNewsBreak: NY proposes high-tech SUNY campus