This material was proved to be extremely stable.

这种材料曾被证实是极其稳定的。

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Those with extremely stable requirements, with no changes expected on the order of years.

有严格的稳定性需求，数年之内没有更改计划的项目。

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In addition, NIST has shown that extremely stable microwave signals can be generated from optical frequency combs.

另外，NIST还发现可以从光学频率梳产生非常稳定的微波信号。

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"The ocean is always rippling, and especially for smaller boats, it is extremely hard to load and unload containers in a stable way,"

VOA: standard.2010.01.04

Its revenues are extremely predictable, cash flows are very stable, and thus debt levels are very reasonable.

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It said, though, that "the U.K.'s creditworthiness remains extremely high, " and its outlook was stable.

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It was a complex but relatively stable world defined by a network economy that was extremely rigid in some ways, and fluid in other ways.

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