Meanwhile, the Drazin inverses of PQ and P - Q are established.同时, 给出正交投影的积PQ和差P -Q 的Drazin逆的表达式.In this paper, we investigate the Drazin inverse of a morphism in additive category.本文研究了加法范畴上态射的Drazin逆....
A bacterium is identified as the cause for his duodenal ulcer.一种细菌被断定为造成他十二指肠溃疡的根源.Symptomatic duodenal diverticulitis is rare.有症状的十二指肠憩室炎罕见.Gastric and duodenal ulcers were noted to evolve from early superficial mucosal...
The movie recreates the glamour of 1940s Hollywood.这部电影再现了20世纪40年代好莱坞的辉煌。The delicate fiber - shaped structure recreates the interlacing shadows of the bamboo forest.微细纤维 状 造型,交错编织光影时空.This bundle recreates the warm soun...
Sixty per cent of teachers are women, but a mere 5 percent of women are heads and deputies.有60%的教师是女性，但是担任校长和副校长的女性仅占5%。He plans to delegate more authority to his deputies.他打算把更多的权力交给副手。The president appealed to deputies...
The King made major concessions to end the confrontation with his people.为了结束与其臣民的冲突，国王作出了很大的让步。The king's indulgence towards his sons angered the business community.国王对儿子们的纵容令商界恼火。It is my destiny one day to be kin...