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1·Beidi, as an important tribe in the pre-Qin period, is split into Chidi and Baidi.

北狄是先秦时期重要的一支部族，分为赤狄、白狄二支。

2·By analysis and bold verdict, I have put forward the view that Guifang and their descendants—Chidi are are from Indo-European race.

笔者经多方考析，大胆立论，提出鬼方及其后裔赤狄是印欧人种的观点，以期推动早期东西文化交流史和山西古代史的深入研究。