After proving experiments of such process by using various materials of copper, aluminum and steel sheets, on the section profile of the fine stamping 100% smoothzone has been obtained.
用铜、铝、钢等材料对该方法进行了实验验证，得到了剪切断面上100%光亮带的精冲件。
2
The zone reflection characteristic of the smooth bent surface—a special 3 D object is discussed in theory in the paper.
针对一种特殊的三维目标——平滑弯曲表面，从理论上讨论了它的区域反射特性；
3
The cell plasma of fascicular zone contained a great deal of mitochondria, smooth endoplasmic reticulum and lipid droplets observed by transmission electron microscopy.