1
- a surface or shape that is or would be exposed by making a straight cut through something, especially at right angles to an axis（尤指与轴线成直角的）横断面; 截面：
the cross section of an octahedron is a square
八面体的横断面是正方形
in cross section the sailfish's body looks like a tapering spear.
从横截面看, 旗鱼的身体就像一根一头逐渐变细的长矛。
1.1
- a thin strip of organic tissue or other material removed by making two such cuts（器官组织或其他材料经两次横切而成的）横切片。
1.2
- a diagram representing what such a cut would reveal断面图, 截面图, 剖面图。
1.3
- a typical or representative sample of a larger group, especially of people（尤指人群的）典型, 具有代表性的实例：
a cross section of our senior managers
我们的高级管理人员的典型。
1.4
- Physics a quantity having the dimensions of an area which expresses the probability of a given interaction between particles【物理】截面。
(cross-section)with obj.
- make a cross section of (something)把（某物）横切成截面：
as noun cross-sectioning complex triangular terrain models for contour crosssectioning等高横断的复杂三角形地形模型。
派生词