Web search engine is one of the applications of web mining technologies.Web挖掘技术的应用之一就是Web搜索引擎.Convex analysis, Lagrangian relaxation, non differentiable optimization, and applications in integer programming.凸分析 、 拉格朗日松弛法...
Geneticists in Canada have discovered a clue to the puzzle of why our cells get old and die...加拿大的遗传学家已经发现了解开细胞衰老、死亡之谜的线索。Geneticists only recently discovered the identity of the gene that causes it.基因学家最近才发现了造成这一现象的基因特征...