More On The Nuer 1. Ghost Marriage: a woman is married to a dead man a. Among the Nuer, this kind of marriage is almost as frequent as marriage to a living man b. A living man is found to physically father a child for the dead man. TO understand this, one must distinguish between:
语言仅仅是一种编码的想法似乎很容易被人们接受,很多人在学生时代至少学过一种外语, 因此,我们知道在英语中“c a t”(猫)也可以被叫作g a t o、c h a t、K a t z e、K O I I I K或k a p a。 然而,数字不那么容易随文化的不同而改变。不论那种语言,也不管怎样读那些数字, 地球上我们能够遇到的几乎所有的人都用同样的方式来写数字:
12.1 Moment of momentum of a particle and its system 12.2 The moment of inertia of a rigid body against an axis 12.3 theorem of moment of momentum 12.4 Differential equation of a rigid body rotating about a fixed axis 12.5 Theorem of moment of momentum of a system of particles relative to the center of mass 12.6 Differential equations of motion in a rigid body plane