principal coordinate

In section 4, the representations which are about local coordinate of the differential dynamic systems on principal bundle and tangent bundle are discussed.

第四节分别选择切丛和主丛作为系统的状态空间，根据它们的特点，建立了切丛和主丛上的微分动力系统并推导出了它们的局部坐标表示。

The principal assignment of electric power dispatch is to organize, direct, instruct and coordinate the operation of electric fence to secure electric fence.

电力调度的主要任务是组织、指挥、指导和协调电网的运行，保障电网安全。

The mathematic principle of principal component analysis method ( PCA ) lies in coordinate conversion.

主分量分析法 ( PCA ) 的数学原理是坐标转换,它将原变量变换成互不相关的变量.

The further development of African collective security mechanism must face several vital issues, such as how to handle the relations of the intervention and the national sovereignty, how to coordinate the relations of self-peacekeeping principal and win over external assistance.

非洲集体安全机制的进一步发展还必须正视几个重大问题，诸如怎样处理冲突控制中的干预政策（非漠视原则）与国家主权的关系，如何协调自主维和原则与争取外援的关系等。

Plane wave solutions of biaxial crystal in principal axis coordinate system

双轴晶体中平面波解在主轴坐标系下的表达

The genetic similar degree is 6.90 as threshold. Cluster ( UPGMA) and principal coordinate analyses identified beans of Heilongjiang province as a distinct group with the rest.

以遗传相似度0.690为阈值，经UPGMA聚类分析，可以将油豆角和普通菜豆分为两大类。