We should stress practical results and do solid work to improve the variety of products and their quality, particularly the latter.

要讲实在的，真正扎扎实实把品种质量抓上去，特别是抓质量。

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Based on the analysis of the experimental data and the research results reported in references, the practical calculating equation of the ultimate stress in unbonded post tensioning is proposed.

在分析国内外大量试验数据和文献研究的基础上，建立了无粘结预应力筋极限应力实用计算方法。

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The results of this study also show that estimation of seismic stress drop from the peak parameters of ground motion will become a new practical method.

研究结果还表明用地面运动峰值参数估算地震应力降是一种新的实用性较强的方法。

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