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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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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Infill was only then added to the building in the form of white paint, glass and stainless steel in order to maintain and highlight the purity of the bare structure.

填充材料仅仅选择了白色涂料、玻璃和不锈钢，以保持并强调基本结构的纯净感。

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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