Object-oriented analysis (OOA) is a semifo

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问题:

Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists ofthree steps. The first step is (6) . It determines how the various results are computed by the product and presents this information in the form of a (7) and associated scenarios. The second is (8) , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is (9) , which determines the actions performed by or to each class or subclass and presents this information in the form of (10) .

A.use-casemodeling

B.classmodeling

C.dynamicmodeling

D.behavioralmodeling

考点:计算机软件水平考试中级软件设计师软件设计师
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杠杆租赁融资模式的特点是( )。

A.融资方式较简单

B.贷款人只提供项目的建设和资本费用融资

C.融资成本较低

D.偿还期比项目的经济寿命短

E.应用范围广泛

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如图甲所示,有两个相邻的有界匀强磁场区域,磁感应强度的大小均为B,磁场方向相反,且与纸面垂直,磁场区域在x轴方向宽度均为a,在y轴方向足够宽。现有一高为a的正三角形导线框从图示位置开始向右匀速穿过磁场区域。若以逆时针方向为电流的正方向,在图乙中,线框中感应电流i与线框移动距离x的关系图象正确的是 (      )

题型:单项选择题

对积液中溶菌酶的正确描述是()

A.存在于淋巴细胞、肿瘤细胞中

B.存在单核、中性粒细胞及类上皮细胞中

C.94%结核性积液的溶菌酶含量<30mg/L

D.主要用于鉴别良性与恶性积液、结核性与其他性质的积液

E.积液溶菌酶与血清溶菌酶比值对鉴别积液性质也有一定价值

题型:单项选择题

利用“动画补间”动画可以制作出许多不同动画效果,但不包括。()

A.位置移动

B.颜色变化

C.缩放

D.角度变化

题型:单项选择题

下列不属于“梗死前心绞痛”的范畴的心绞痛为()

A.恶化型心绞痛

B.卧位型心绞痛

C.变异型心绞痛

D.急性冠状动脉功能不全

E.初发型心绞痛

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