Mr. Hao declined to provide a date for the introduction of a national incentive policy for energy-efficient construction materials and did not specify what materials would qualify.

郝先生拒绝提供实施高能效建筑材料国家激励政策的具体日期，也没有详细列出有资格享受激励政策的具体材料。

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Based on some related materials and investigation the paper makes an introduction to distribution of Manchu literatures and involved organizations as well.

本文根据有关文献和调查资料对北京地区满文图书的分布情况及相关的藏书机构进行了介绍。

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The article makes a concise introduction and comparison to its application situation, the construction characteristics and the materials being used.

本文对其使用场合、结构特点及材料选用作了扼要的介绍和比较。

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Nanometer-size materials occur all around us in nature, but it was only 20 years ago, thanks to IBM's introduction of the scanning tunneling microscope, that scientists began to observe and manipulate materials at the atomic level.

FORBES: The science of small

She says that picking patterns and materials, customizing them to her own needs, and then producing a finished product was an excellent introduction to problem solving.

FORBES: Linda Hudson, First Female CEO In Defense, Reflects On What It Takes