1 年前
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Our solar system was the first to attract humans and filled their souls with awe and fear. At the same time brave minds had been curious about its nature and kept speculating about the universe and its objects. However since the birth of modern science and technology, the true nature of universe has been known and at this point of time, universe is so huge that our hearts are f...。彰武县,位于辽宁省西北部,地处中国最大的沙地——科尔沁沙地南部。新中国成立前夕,全县森林覆盖率仅为2.9%,土地沙化高达96%,为了守卫家园,更为了捍卫新中国重要工业基地沈阳以及京畿重地,70年来,在这片名不见经传的土地上,上演了一场又一场的人沙大战。彰武,由此成为新中国防沙治沙的起始地,彰武治沙,也成为新中国荒漠化治理的历史缩影。。
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