基金the National Natural Science Foundation of China(Nos.61136002,61272120,61634004 and 61602377)the Shaanxi Provincial Co-ordination Innovation Project of Science and Technology(No.2016KTZDGY02-04-02)+1 种基金the Shaanxi Provincial Science and Technology Research Fund(Nos.2013KTZB01-07,2014ZS-08 and S2015TQGY0166)the Fund of Shaanxi Education Bureau(No.2050205)