各流态转变过程中有明显的过渡段性质；

There is obvious transition state between flow patterns.

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运用全组合试验设计法的思想对水闸下游渠道中流态转变时水流特性进行试验研究。

The entire combination experiment design procedure is utilized to research the flow characteristics when the flow pattern transforms in a channel of the downstream of sluice.

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自由体积模型是玻璃化转变中应用最广泛的一个，液体玻璃态转变是分子自由体积微观变化的宏观表现；

Free volume model is one of the most widely used models in amorphous transformation , Hquid amorphous transformation is the macroscopic exhibition of molecular free volume microscopic changes.

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Thermodynamicstalks about equilibrium systems and how to go from one state of equilibrium to another state of equilibrium.

热力学研究的是平衡系统,以及如何,从一个平衡态转变到另一个平衡态。

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Sometimes subtle changes in the structure of a protein can convert it from an active state into an inactive state.

有时蛋白质结构上一些很小的变化,就能将其由激活态转变为非激活态

耶鲁公开课 - 生物医学工程探索课程节选

So, it's more effective because it's a live virus but it's a little bit more concerning because it's a live virus as well, in that you trust that it's attenuated but could it convert back to a virulent form or a form that caused a disease.

因此,口服疫苗更加有效,因为它是活性病毒,但又是因为这一点,人们也存有更多顾虑,当它处于减毒状态时你会信任它,但是它会不会转变回,强毒壮态或者致病状态呢

耶鲁公开课 - 生物医学工程探索课程节选