Poisson theorem and De Moivre-Laplace theorem present the approximate calculation formula of binomial distribution., 泊松定理、隶莫佛 ...

The basic characteristics of this type of orogen are: (1)there is a very wide accretionary wedge, in which the thrust sheets ...

The New York Declaration for Refugees and Migrants is a milestone for global solidarity and refugee protection at a time of unprecedented displacement across the world. Adopted by all 193 Member ...