In the fifth to fourth century during the Eastern Zhou period, new techniques and styles appeared, along with improved methods of construction.

在第五至第四世纪，在东周时期，出现了新的技术和风格，同时施工方法的改进。

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Based on a lot of studies and practice, the manufacturing process and construction methods, especially the method of solving the uneven heat is greatly improved and a good result has been achieved.

笔者经过学习和实践，对制造工艺和施工方法尤其受热大进行了改进，并收到了良好的效果。

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Results indicate that the modulus can be improved largely by using above three methods in the design and construction of graded broken stone base.

综合考虑以上因素的试验路模量反算结果表明：级配碎石的强度有大幅度提高。

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