A chimpanzee is a sort of monkey.黑猩猩是猿的一种.The chimpanzee is thought to be our closest animal relative.黑猩猩被认为和我们血统最相近的动物.An anthropoid ape , such as a gorilla or chimpanzee.同人类一样,母大猩猩拒绝与兄弟婚配....
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.作者证实:单叶双曲面和双曲抛物面是直线曲面.Two fdmilies Of characteristic lines in the hyperbolic region are not orthogonal.在双曲型区域两族特征线互不正交.F...