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....
Footballers in whopping great studded boots walk over the pitch.脚蹬帅气钉靴的足球运动员走进了球场。England's footballers are back home after their ill-fated trip to Algeria.英格兰足球队结束了倒霉的阿尔及利亚之行，回到了国内。Some footballers get paid million...
There is another drug called DHE that works in a similar fashion.另外还有一种叫DHE的药物，药效也差不多。Workflow processes can be stored and executed in a distributed manner in PWFMS - DHE.PWFMS-DHE 实现了工作流过程的分布式存储和执行.The expense of dhe tr...
The amount of secondly ettringite is affected by the curing condition.二次钙矾石的形成量受养护条件的影响.You need, firstly, a strong independent board of directors and secondly, an experienced and dedicated staff.你首先需要一个强大的独立董事会，其次需要一批富有...