periodici相关论文
Magma Type and Genesis of the Basic-ultrabasic Layered Intrusions in Panzhihua-Xichang Area,Southwes
The layered intrusions in the Panzhihua-Xiehang area may be grouped into two types:basicrock masses represented by the ......
Possible effect of ENSO on annual sediment discharge of debris flows in the Jiangjia Ravine based on
The multi-time-scale structures of an annual sediment discharge series of debris flow in the Jiangjia Ravine and the Sou......
跑是蹬地移动的自然方法,属于周期性运动,跑的动作是由一个复步,即跑两步形成的,无论是跑的距离长短都是单个周期的动作的重复。......
降水丰枯特性如何是分析降水过程的重要内容。以邯郸平原水资源分区为基本研究单元,运用小波分析法,就各分区降水丰枯特性进行了多......
利用Fourier级数法,研究各向异性弹性位条具相对位移的周期混合问题,得到其封闭形式的解。所用方法直观,简单,因而易用于工程中。......