The plan was to exploit the extraordinary purity of laser light to selectively excite uranium's rare form.

这项计划就是利用激光的纯度选择性地激发铀的罕见形态。

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The purity of its form – a chamfered diamond like structure – will be a timeless, elegant landmark in the centre of Bucharest.

其形式纯度 - 一状结构倒角金刚石 - 将是一个永恒的，在布加勒斯特中心优雅的里程碑。

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Some factors which can influence the quality of crystal were analyzed , such as purity of solution , growth rate and flow form .

并且从微观生长机制角度，分析了溶液纯度、生长速度、流体等因素对晶体质量的影响。

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Republicans, on the other hand, have desecrated the limited-government legacies of Reagan, Goldwater, and our founders by embarking on spending orgies with borrowed money -- a form of deferred taxation and financial repression -- while hiding beyond false pledges of tax purity that have made tax reduction and simplification much more difficult to achieve.

CNN: Why America needs a tax reformation

Actually, gold bullion is any form of pure, or nearly pure, gold that has been certified for its weight and purity.

FORBES: Getting Into The Gold Market