河陇
河陇-
从人口变化看唐代河陇地区农业经济的开发
To Research the Development of the Tang Dynasty HeLong Agricultural Economy from the Population Area Change
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但由于史书记载疏略，长期以来，学术界对晚唐中央政府权力在河陇地区行使的具体情况并不明了。
Owing to the lack of historical records , for a long time , the academic circle has not clearly understand that the power of the central government in the late Tang dynasty how to exercise in these regions .