郑慧莹，李建东。 1999 。松嫩平原盐生植被与盐堿化草地恢复。科学出版社，北京。
Zheng huiying & li jiandong. 1999. the saline vegetation and its restoration on the songnen plains. science press, beijing.
一项肯定的方式来支持李东建之主题，就是鼓励你们地区之扶轮社来完成这个计划。
One sure way to support D. K. Lee's theme is to encourage the clubs in your district to implement this plan.
一项肯定的方式来支持李东建之主题，就是鼓励你们地区之扶轮社来完成这个计划。
One sure way to support D. K. Lee's theme is to encourage the clubs in your district to implement this plan.
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