Therefore, QR-method is an economic and effective method of structural analysis and calculation with great value for popularizing.
因此QR法是一种经济有效，值得推广的结构分析计算方法。
Therefore, QR-method is an economic and effective method of structural analysis and calculation with great value for popularizing.
因此QR法是一种经济有效，值得推广的结构分析计算方法。
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