supported by NSFC(No.11471097);the NSF of Hebei Province(No.A2013408009);the Specialized Research Fund for the Doctoral Program of Higher Education of China(No.20121303110005);the Key Fund Project of Langfang Teachers University(No.LSLZ201403)
Supported by NSF of Hebei Education Department(ZH2012082);NSF of Hebei Province(A2012408003;A2013408009);the Foundation of Langfang Teachers’ College(LSBS201206;LSZQ201202;LSZY201003;Association Scheme and Its Related Theory of Combination in 2013)