Finslerian Ricci Deformation and Conformal Metrics

In this paper, a new Ricci flow is canonically introduced in Finsler Geometry and, under the variance of Finsler-Ehresmann form, conformal changes of Finsler metrics are studied. Some existence conditions of this Finslerian Ricci flow on a compact manifold which preserves the conformal class of the initial metric are obtained as an application.

轻武器瞄准具的形态变化分析与设计研究

文章就轻武器瞄准具典型形态的变化沿革进行了详细的分析,运用设计几何学,对典型综合瞄准具形态的轮廓及各部分之间的比例关系等进行设计研究,结合形式美法则对瞄准具形态展开深入的分析和比较,总结出综合型瞄准具线型流畅的整体轮廓和简洁明朗的形态外观的发展趋势,为企业的设计实践提供了具体的设计方法。