There is large area of high Na salty soil at Songnen Plain in the west of Heilongjiang.
黑龙江省西部松嫩平原为大面积高钠盐渍土区，区域内的土质大都为分散性粘土。
The west part is mountain regions and the east is a plain, accounting for 52% and 48% of total area respectively. It is obviously higher in the west and lower in the east.
整个所辖区域内的地貌可分西部山区和东部平原两大类，面积分别占全市的52%和48%，地势西高东低。
Lying in the west and north of Plain Section, Mountainous Section has an area of 422 hectares, accounting for four fifths of the total area of the summer resort.
平原区的西部和北部是山岳区，面积422公顷，占避暑山庄总面积的五分之四。
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