Statistical analysis for cross-sectional area ratios of chord and web members commonly used in steel roof trusses are also provided for reference in predictng fundamental calculation parameters.

对常用钢屋架的弦杆腹杆截面积比值作了统计分析，以便设计者能更准确地确定计算原始参数。

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His message touched a fundamental chord that is deeply embedded in the American experience.

CNN: Reagan praised for?'eternal faith in America'