SYDNEY: An ancient river system buried 35 metres below the sand dunes Simpson Desert in Central Australia has been revealed by a team of Australian and American researchers.
悉尼：一个美国和澳大利亚的联合研究小组，在澳大利亚辛普森沙漠的沙丘下35米，发现了一条古老的河道网。
Since the Tertiary period, the ancient Song Huajiang-Liaohe drainage system has Undergone several large-scale alternations of lake and river.
第三纪以来，古松辽水系经历了几次大规模的河湖交替。
The key element controls the main massif to getting in touch with ancient city each other, river system and afforestation bring forward suggestion measure naturally.
自然要素控制主要对与古城相联系的山体、水系及绿化提出建议性措施。
Since the Neogene, the ancient Songhua-Liao River system have undergone several changes with the alternation of fluvial and lacustrine formation on a large scale.
现代松辽水系是在松辽盆地地质构造、古地貌发育的基础上，几经变迁逐渐演变而成的。晚第三纪以来，古松辽水系经历了几次大规模的河湖交替。
Since the Neogene, the ancient Songhua-Liao River system have undergone several changes with the alternation of fluvial and lacustrine formation on a large scale.
现代松辽水系是在松辽盆地地质构造、古地貌发育的基础上，几经变迁逐渐演变而成的。晚第三纪以来，古松辽水系经历了几次大规模的河湖交替。
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