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The discovery of what seems to be the foundation of a hut, an alignment of six post holes, and two graves, one of which contains human remains in a remarkable state of preservation, provides important new information about the earliest Aurignacian occupation of northern Spain. 相似文献
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邓昭镜 《西南师范大学学报(自然科学版)》1988,(4)
一维聚合链可以用一维振子链来模拟.其中联接振子而组装链的键可以分为主键和次键.一维振子链的非线性过程要受主键或次键的非线性过程所控制,本文讨论了在主键或次键的非线性作用下所引起的一维振子链的非线性过程.在一定条件下,我们可以得到解析的孤子解. 相似文献
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