The Heilong River Valley is one of the few places where are the natural habitats for the wild lotus.
野生莲是栽培莲的祖先，是培育优良莲品种的天然基因库。
2
The result of simulation shows that rice yield will decrease 9%, and the main planting area will move to Heilong River Basin.
模拟结果显示，未来水稻将减产9%，主栽区将北移至黑龙江流域；
3
The thesis dis cusses the following questions, How to use active mud to dispose Coking system 's organic Water which includes phenol and cyanogen etc in the HeiLong Jiang chemical Group.