molecular valence connectivity index 分子价连接性指数

valence connectivity index x- 价连接性指数1x

valence connectivity index 1X- 价连接性指数1X

bond valence connectivity index 键价连接性指数

edge valence connectivity index 边价连接性指数

average valence connectivity index 均价连接性指数

valence connectivity index 1 x- 价连接性指数x

valence molecular connectivity index 价分子连接性指数

valence connectivity topological index 价连接性指数