设矩阵A的伴随矩阵,且矩阵A,B满足+12E,则矩阵B=______. 发布时间:2017-07-08 22:46 │ 来源:www.tikuol.com 题型:问答题 问题: 设矩阵A的伴随矩阵,且矩阵A,B满足+12E,则矩阵B=______.
题型:问答题 以下有关砼抗水渗透性能检验中的检验结果处理的说法,正确的有()。A、同一检验批只进行一组试验时,应将试验结果作为检验结果B、同一检验批进行了一组以上试验时,应取所有组试验结果中的最小值作为检验结果C、同一检验批进行了一组以上试验时,应取所有组试验结果中的最大值作为检验结果D、同一检验批进行了一组以上试验时,应取所有组试验结果中的平均值作为检验结果 查看答案
题型:问答题 Accelerated analysis approaches emphasize the construction of (34) to more rapidly identify business and user requirements for a new system. As an accelerated analysis technology, (35) reads the program code and automatically generates the equivalent system model, and the code can be obtained from (36) All system analysis approaches require some form of (37) which includes those techniques to be used to identify or extract system problems and solution requirements from user community. (38) is a classical set of techniques used to collect information about system problems, opportunities, solution requirements, and priorities.34()A.object modelsB.prototypesC.use casesD.components 查看答案