What we are trying to do is trace the entire history of planetary formation from a gaseous disc, into a debris disc, into a planetary disc.

我们正试图追踪行星从气态盘到尘埃盘到行星盘而形成的整个历史。

youdao

It might also be hard for airlines to co-ordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.

航空公司可能也很难协调客机的起飞时间和目的地，使它们能够从编队飞行中获益。

youdao

Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.

考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。

youdao

That force is scheduled to be reduced from nearly with the bulk of the withdrawal planned for after the election and the formation of a new Iraqi government.

VOA: standard.2009.12.11

But this is a compound, right, it has some non-zero heat of formation from the elements. So is water, right?

但这是种化合物，对吧？,它具有非零的生成热,水也是一样，对吧？

麻省理工公开课 - 热力学与动力学课程节选

Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

现在请记住，离子键的形成,从第一族和第二族元素，与六七主族的元素相互构成的。

麻省理工公开课 - 固态化学导论课程节选

He presided over Exelon's formation from the merger of Chicago utility Unicom and Philadelphia utility Peco.

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It backfired completely and by the time the change had been made to a 4-2-3-1 formation from a 4-1-4-1 it was too late.

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Peroxynitrite is a source of hydroxyl radical-like reactivity, and it directly oxidizes proteins and other macromolecules with resultant carbonyl formation from side-chain and peptide-bond cleavage.

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