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Advanced Mathematics (3rd Edition of Peking University): I don't read much books on linear algebra. I studied advanced mathematics when I was in school, but it doesn't matter. Just look at the first five chapters. Cooperate with the corresponding video and master the relevant knowledge of matrix and determinant.(2) SKMlist, a material generation tool, is used as follows: 1) Drag jpg or bmp files to the top path input box, and the software will automatically add all jpg and bmp files under the same directory to the list; Or click the path button to specify the directory. 2) Click save, select the path, and name the skm file to confirm, that is, generate the material library file. 3) The skm file can be used normally by copying it to the Library file under the SkechUp installation directory. 4) The size of the map is set according to the way of pix × pix. Therefore, if your scene unit is mm, then a 20 × 20 map will be tiled according to the size of 20 mm × 20 mm. If it is not suitable for the scene, please adjust it after assigning materials. Because the size of the map cannot be unified, this is the best way to keep the original scale of the picture.虽说为奇幻故事，但都不是很*的故事，有些更是属于谐趣的內容。她们姊妹在荷塘钓鱼呢。奇思妙想，光怪陆离，邪典故事交替上演……水鬼俗称水猴子，民间传言是死者怨气所化，那些淹死、投水自杀或意外而死的人..Potentilla erecta