求翻译：碟型弹簧与膜片弹簧，是典型的非线性弹性元件。在实际工程中，为了提高其疲劳寿命，因而须要对其进行喷丸与强压强化处理。强化处理导致表层材料的性能发生变化，从而将会导致弹簧的弹性特性改变。由于弹簧弹性特性计算公式是在均匀材质等假设条件下推导得到的，所以，采用这样的公式计算的弹性特性与实际的弹性特性有较大的差异，从而会影响设计结果在实际工程的使用。是什么意思？

The disk spring and the diaphragm spring, is a typical nonlinear elastic element. In the actual project, in order to improve its fatigue life, and thus need to be shot peening and extreme pressure enhanced treatment. Strengthening treatment to result in the surface properties of the materials change

bow-shaped spring and diaphragm spring, is a typical non-linear elastic element. In projects, in order to increase its fatigue life, and thus need to spray it with a strong pressure pills. surface hardening processes are causing changes in the performance materials, which will result in spring flex

The small dish spring and the disk spring, is the typical non-linear elastic part.In actual project, in order to enhance its fatigue life, thus must have to carry on to it spurts the pill with to restrain by force strengthened processing.Strengthened processing causes the surface layer material the

Disc spring and diaphragm spring, is a typical nonlinear elastic elements. In practical projects, in order to enhance its fatigue life, and need to be shot and put down by force treatment. Enhanced treatment cause change properties of surface materials, which will result in the elastic properties of

正在翻译，请等待...