...分函数单调上升,则字母L具有“偶性”;而R部分函数单调下降,则字 母R具有“奇性”.从而得到符号序列的排序规则(ordering rule) E R L· · · E R C · · · E R R· · · , O R L· · · O R C · · · O R R· · · , (3-3) 其中E R 和O R 分别代表含有偶数...
And Dr Lovis and his colleagues note that "the physics of planet formation is so diverse and complex that we do not expect any universal rule on planet ordering to exist."
Shanghai introduced a similar rule at the end of last year ordering primary schools not to start classes before 8:15 am, while secondary schools should not begin lessons before 8 am.