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...
The letter is on six sheets of foolscap.信写在6张大页纸上.He was still rumbling discontentedly when Pike returned bearing a folder of foolscap sheets.他正在不满地小声嘟囔时,派克抱着一叠印刷纸回来了....
He walked aimlessly along street after street, head down and shoulders bowed.他低着头、垂着肩，漫无目的地走过一条条街道。I wandered around aimlessly.我漫无目的地到处游逛。She wandered aimlessly around the streets.她在大街上漫无目的地到处游荡。...