L旋转向量场中奇点的运动

The Motion of Singular Point on L Rotated Vector Fields

中文关键词:  L旋转向量场  奇点指标

英文关键词:L rotated vector fields  index of singular point.

中文摘要:

      本文引入Ｌ旋转向量场的定义，给出奇点随参数移动的Ｌ旋转向量场中奇点移动的条件

英文摘要:

      The paper gives the difinition of L rotated vector fields in the plane and the conditions of the singular point moving on L rotated vector, fields that critical point moves as parameter is changed.