哈尔滨的松花江流域属于松辽平原的草甸草原草场范畴。
Songhua river basin of Harbin is belong to meadow steppe in Songliao Plain.
第二部分，阐述了松花江流域农业开发与生态环境的关系。
Secondly, the thesis analyzes the relationship between agriculture development and theentironment.
而且松花江流域内经常发生许多船只被困在冰层中的事故。
And many vessels in Songhua river are in the accidents because of the ice.
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