Based on the principle of a varied mass system, the non linear mathematical model of the crop mechanics for an axial threshing process was set up.
运用变质量系统的基本原理，建立轴流脱粒过程中谷物运动的非线性动力学模型。
2
Critical heat flux for axialnon-uniform heat flux distribution in rectangle narrow channel was studied in this report.
对矩形窄缝通道轴向非均匀加热临界热流密度进行了研究。
3
Under the circumstances of axial symmetric and non-static current distribution, a method for calculating off-axis electromagnetic field is given by using Maxwells equations and axial symmetry.