求翻译：主要指用水泥混凝土作面层或基层的路面结构设计。水泥混凝土具有较大的抗弯拉强度和弹性模量。较典型的刚性路面设计方法有如下6种。是什么意思？

Mainly refers to as a surface layer of cement concrete pavement or grass-roots design. Cement concrete with greater flexural strength and elastic modulus. More typical rigid pavement design method has the following 6 species.

Mainly used for cement concrete pavement surface or grass-roots of structural design. cement concrete bending of the larger the tensile strength and modulus of elasticity. A more typical rigid pavement design methods are as follows 6.

Mainly refers with the cement coagulation building and construction projects surface layer or the basic unit pavement structure designs.The cement concrete has big anti-pulls the intensity and the elasticity coefficient curved.The typical rigid pavement design method has the following 6 kinds.

Mainly cement concrete of pavement structure design for surface or base. Has a large cement concrete bending tensile strength and elastic modulus. A type of rigid pavement design method has the following 6.