Take the first cross section as an example, and the calculation formula of flexural capacity of composite beams is obtained by using the error transfer formula of mathematical statistics.
运用数理统计学的误差传递公式，推导出了组合梁截面抗弯承载力统计参数的计算公式（以第一类截面为例）。
A laminated composite bar of rectangular cross section consists of a middle portion of one material as well as upper and lower identical cover plates of another material.
一矩形横截面的叠层复合材料杆，由以一种材料为中心部分，及另一种材料的上下两相同的盖板所组成。
Gucheng bridge is a steel tube concrete bowstring arch and variable cross section continuous beam composite system through bridge with single load plate.
古城大桥是一座下承式单承载面钢管混凝土系杆拱与变截面连续梁组合体系桥梁。
To give the formula of cross-section capacity in eccentric compression, the theoretical model of composite member and judgment method of large or small eccentric compression have been brought forward.
目的确定组合构件的理论模型和大小偏心的判断方法，提出偏心受压正截面承载力公式。
An analytic expression for the radar cross-section of an impedance cylinder coated with composite and anisotropic. chiral material is obtained by application of boundary conditions.
然后根据边界条件得出计算所讨论的阻抗圆柱体的雷达散射截面的解析表达式。
Steel-concrete composite beam with high capacity, good ductility, stiffness, member cross-section the advantages of small size.
钢-混凝土组合梁具有承载力高、延性好、刚度大、构件截面尺寸小等优点。
The cross section and surface image of NF 1 composite membrane were studied by SEM and AFM respectively.
采用扫描电镜（ S E M ）和原子力显微镜（ A F M ）分别对膜的断面、表面形态作了研究。
The cross section and surface image of NF 1 composite membrane were studied by SEM and AFM respectively.
采用扫描电镜（ S E M ）和原子力显微镜（ A F M ）分别对膜的断面、表面形态作了研究。
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