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....
那些茅舍逐渐变模糊,融入了一片苍茫的原野中.The huts darkled away into the gloom of the field.她想知道为什么尽管她画的如此清晰的画会变模糊.She wondered why the paintings became blurred even though she painted them so clearly.干扰噪声一种干扰, 尤指一处任意的和持续的干扰, 使信号变模糊或减少.A di...
目标是每天至少喝半品脱的牛奶。Aim to have at least half a pint of milk each day.“ 烤乌鸦, ” 琼恩建议. “ 还有半品脱淡色啤酒. ”" Roast raven, " Jon suggested. " And half a pint of ale. "我很渴, 请给我半品脱的啤酒.I'm rather thirsty. bring me half a pint of bee...
Radar altimeters are used in aircraft to indicate height above the ground of sea.雷达高度表用以指示飞机相对于地面或海平面的高度.The parachute caps and altimeters must be wore, and parachute opener must be brought skydiving.参加跳伞比赛人员必须戴伞帽 、 佩带高度...
She's very demure and sweet.她非常娴静可爱。a demure expression庄重的神情The luscious Miss Wharton gave me a demure but knowing smile.性感迷人的沃顿小姐对我羞涩地会心一笑。a demure young lady娴静的年轻女士...a demure white blouse and long, straight gabar...