This paper introduced some excellent properties of nonmaterial, and expounded in detail its optical characteristics, research development and good functions.
介绍了纳米材料的一些优异特性，并详细阐述了纳米材料的光学特性、研究进展及其良好性能。
This paper expounded that both good product quality and economic benefit, which could be got by volume producing CPE with home equipment were introduced in detail.
阐述了运用国产设备规模化生产氯化聚乙烯，并可获得较好的产品质量和经济效益。
The paper analyses in detail the operating theory of the. system and the feature of the main parts. It will be helpful to those whoever make a good job of the system of the shearer.
本文较详细地分析了系统的工作原理和主要部件的特点，对了解和使用电牵引采煤机的调速系统有重要的实际意义。
The paper analyses in detail the operating theory of the. system and the feature of the main parts. It will be helpful to those whoever make a good job of the system of the shearer.
本文较详细地分析了系统的工作原理和主要部件的特点，对了解和使用电牵引采煤机的调速系统有重要的实际意义。
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