基金国家自然科学基金资助项目（51365054，51565055）新疆维吾尔自治区自然科学基金资助项目（2014211A008）。Foundation items:Project supported by the National Natural Science Foundation,China(No.51365054,51565055),and the Natural Science Foundation of Xinjiang Uygur Autonomous Region,China(No.2014211A008).
