明朝建立后，元朝退居漠北，史称北元。
After Ming dynasty was founded, Yuan dynasty went back to the north of the Gobi.
这一过程反映了明与北元复杂的斗争形势。
The process reflected the complicated situations between Ming and North Yuan.
第二章叙述了北元时期蒙古女性的事迹，并阐明了史书作者的著史立场、观点，社会背景等。
The second chapter describes the North in the Yuan Dynasty story of women of Mongolia, and illustrates the stand, viewpoint, and social backgrounds for the author of history books.
武汉市岩溶地面塌陷发生在具二元结构的北东向长江一级阶地与近东西向褶皱构造向斜核部碳酸岩盐地层相交的部位。
The karst surface collapse in Wuhan happened at the intersection between the ne first terrace binary-structured deposits of Yangtze River and carbonate in the core of E-W syncline.
通过有限元软件LS-DYNA模拟了海冰与JZ20-2NW北高平台相互作用的动态断裂过程。
The dynamic fracture process of sea ice interacting with JZ20-2NW platform is performed on the basis of finite element software—LS-DYNA.
按照惯例﹐在家长大会时北威会退还各家预缴的十元会费﹐或是家长可选择将十元捐给学校。
Those families who attended our general meeting on April 26 had the choice of either receiving their $10 refund or donating the money to the school.
按照惯例﹐在家长大会时北威会退还各家预缴的十元会费﹐或是家长可选择将十元捐给学校。
Those families who attended our general meeting on April 26 had the choice of either receiving their $10 refund or donating the money to the school.
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