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1·The method for identification of plastic state of the disk, as well as the approach to obtaining the secant module and transverse deformation coefficient are presented.

提出了轮盘进入塑性状态的鉴别方法、在塑性状态下求出割线模量和横向变形系数的方法等。

2·High tooth gear has small module, small pressure Angle, and large addendum to enlarge the transverse contact ratio, improve gear strength, and reduce the noise.

细高齿齿轮是采用小模数、小压力角、大齿顶高来加大端面重合度，达到提高齿轮强度、降低噪声的目的。

3·The author bring forward a Gaussian optical beam in a transverse-linearly-polarized state, the expression of its module is the same as the scalar Gaussian beam.

文章提出一种横向激发的任意线偏振高斯光束，该光束场量的模与传统的任意线偏振高斯光束具有相同的模，在源场区，其满足自由空间无源场的场方程。