The calculating differences on sectionmodulus of wind girder in storage oil tank design codes between China, Japan, America and British were mentioned.
介绍了中国、美国、日本和英国油罐设计规范中在抗风圈截面模数计算上的区别。
2
The properties of these one centimetre sections are called unit properties, that is unit sectionmodulus 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。
3
The bending stiffness of elastoplastic member is product of tangent elastic modulus of material and inertia moment of the section.