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从研究阶段到实地考察、检验生产加工过程等，这对夫妇为侯的团队提供了很多帮助。

The couple helped Hou's team, from research to field trips, testing production processes and so on.

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划分详细设计、实现和测试阶段到不同的迭代中。

Divide the detailed design, implementation and test phases into iterations.

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But by looking at the stages, we pick out a space-time worm that makes up a person.

但看着这个阶段，我们联想到组成那个人的,时空虫。

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So you, like, read Emerson, Melville - "Moby Dick", stuff like that.

所以，那个阶段，你能读到爱默生，还有《大白鲸》的作者梅尔维尔。

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And finally, there is regression, which is returning to an earlier stage of development.

最后，来说说退行，意思是回归到发展的某个早期阶段。

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