The properties of these one centimetre sections are called unit properties, that is unit section modulus and unit moment of inertia.
一个厘米截面的特性称为单位特性，即单位截面模量和单位截面惯性矩。
Results show that the shape and relative thickness of section, section modulus in bending are the main factors that determine the bending properties of the profiles.
结果表明，型材的截面形状、相对厚度及抗弯截面系数等是决定弯曲性能的主要因素。
The bending stiffness of elastoplastic member is product of tangent elastic modulus of material and inertia moment of the section.
抗弯刚度的概念是材料切线模量和截面对中和轴的惯性矩的乘积。
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