In particular, a biholomorphic automorphism is always induced by an element of the extended modular group or of the modular group in all cases.
特别地,在上述各种情形下的双全纯自同构都是由延拓模群或模群中的元素所诱导。
automatic generation of colored symmetric patterns by dynamical systems with the extended modular group
动力系统结合扩张模群自动生成彩色对称图形
In this PISTON-CAD/ CAM system, database, modular and group encode technology are used, when the construction, dimensions and tolerances of the piston are input by menu, the working drawing of piston is output.
PISTON-CAD/CAM系统,应用数据库、模块化及成组编码技术,用户通过屏幕菜单输入活塞结构、尺寸及公差以后,可输出活塞产品图;
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