归并

Bitonic is introduced and a theorem is proved. The algorithm of bitonic merge-sort is given.

介绍了二分序列的概念和定理证，给了利用二分归排序的算法及实例.

The paper has summarized systematically evolutionary law in time and space on petrofacies and paleogeography of Late Paleozoic era in Northern China and distributive law of depositional systems.

根据华北晚古生代沉积岩的环境标志,识别29个相,归为冲积扇、河流、三角洲、潮汐砂滩、碳酸盐台地等6个沉积体。