In this way, the 3d image of high stress zone, both the shape on surface and the depth of the zone, can be observed directly.
这样我们能够直接观察高应力区的三维图象，即高应力区的表面形状及其深度。
High residual stress distribution zone lies in the center of work piece.
平板工件中心存在较大的残余应力分布区。
The experimental results show that the high hardness white layer and plastically deformed zone are developed on the surface layer under high stress impact wear.
实验发现，高应力冲击磨损后，磨损试样表层形成高硬度的白层与变形层。
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