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Journal of Beijing Normal University(Natural Science) > 2013 > 49(2): 351-356.

ＸＩＮＧＨａｉｈｕａＹＵＸｉａｎｃｈｕａｎＨＵＤａｎＷＡＮＧＧｅｎｘｉａ.

[J]. Journal of Beijing Normal University(Natural Science), 2013, 49(2): 351-356.

Citation:

ＸＩＮＧＨａｉｈｕａＹＵＸｉａｎｃｈｕａｎＨＵＤａｎＷＡＮＧＧｅｎｘｉａ.

[J]. Journal of Beijing Normal University(Natural Science), 2013, 49(2): 351-356.

ＸＩＮＧＨａｉｈｕａＹＵＸｉａｎｃｈｕａｎＨＵＤａｎＷＡＮＧＧｅｎｘｉａ.

[J]. Journal of Beijing Normal University(Natural Science), 2013, 49(2): 351-356.

Citation:

ＸＩＮＧＨａｉｈｕａＹＵＸｉａｎｃｈｕａｎＨＵＤａｎＷＡＮＧＧｅｎｘｉａ.

[J]. Journal of Beijing Normal University(Natural Science), 2013, 49(2): 351-356.

（１）ＣｏｌｌｅｇｅｏｆＩｎｆｏｒｍａｔｉｏｎＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙ,ＢｅｉｊｉｎｇＮｏｒｍａｌＵｎｉｖｅｒｓｉｔｙ,１００８７５,Ｂｅｉｊｉｎｇ,Ｃｈｉｎａ;
２）ＣｏｌｌｅｇｅｏｆＩｎｆｏｒｍａｔｉｏｎＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙ,ＨａｉｎａｎＮｏｒｍａｌＵｎｉｖｅｒｓｉｔｙ,５７１１５８,Ｈａｉｋｏｕ,Ｃｈｉｎａ