一、一般情况松嫩平原的大部在黑龙江省境內,南部一小部分属吉林省。平原的西部及西北部为大兴安岭,一般海拔高度在1100～1400公尺,山文线呈北北东—南南西向;东北部为小兴安岭,一般海拔标高在500～800公尺,山文线呈北北东—南南西向:东部为长白山属的张广才 First, the general situation Most of the Songnen Plain in Heilongjiang Province, a small part of the southern province of Jilin Province. The western and northwestern part of the plain is the Greater Xing’an Mountains, with a typical elevation of 1100 to 1400 meters. The mountain line is north-north east-south-south-west, while the northeast is the Xiaoxing’an Mountain. The elevation above sea level ranges from 500 to 800 meters. North East - South-South West: Changbai Mountain is the eastern part of Zhang Guangcai