The period from about 1650 until 1800 saw some excellent scientific and technical investigations of different designs.

1650年到1800年这段时间见证了一些设计合理、技术先进的水轮的诞生。

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Greenawaltpainted two different designs on this model.

格里纳·沃特在这个模特身上创作了两个不同的图案。

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The X3 and the X2 use very different designs to get around these limitations.

X3和X2采用截然不同的设计来绕开这些限制。

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But his designs were so different, so extreme, that banks were not willing to lend money for the projects.

VOA: special.2010.05.30

There are of course many different designs and not all work the same way.

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Dr. Jackson said different designs of the underlying studies and the duration of follow-up could have influenced the results.

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It showed the long evolution of different designs and prototypes tried and tested before deciding on one of the earliest concepts.

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