Practice shows that the establishment of teaching quality assurance system in universities is an effective way.
实践证明，构建高校内部教学质量保证体系是一个有效的途径。
From production practice of the mine, it is expounded that the decrease of dilution factor in mining is one of effective methods to improve the ore quality (grade) and economic benefits.
从生产实践出发，阐述了降低采矿贫化率是提高矿石质量(品位)，提高矿山经济效益的有效途径之一。
The marked effective way was procured through improvement firing system to enhance glaze surface quality in practice.
本文结合工厂实际，通过改进烧成制度提高釉面质量，取得了显著效果。
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