The definition of operator homeomorphism mapping , together with its characterizations, is given in this paper.在算子开集理论中给出了算子同胚映射的概念, 得到了算子同胚映射的若干性质....
He carves his figures from white pine.他用白松木雕刻出那些人偶。This artist carves in gold.这位艺术家雕刻黄金.When he was 16 when is ornery shoots carves the hero!当他十六岁时已是威名远播的射雕英雄了!...
我们是根据已经取得的资料来确定估价的.Our assess ( assessment ) is on the basis of the data acquired.艺术作品 、 历史遗址以及无法估价的史料均遭到残酷的破坏.Works of art, historic monuments and priceless historical records were ruthlessly destroyed.火险保险单分为已估价的和未估价的....