关于平巷移耙装机，以下各项中说法不确切的是（）。A.松开道卡，人工前推就位或用绞车拉

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) 、 (75) is another such technique that integrates data and process concerns into constructs called objects.

（75）应选（）。

A．Structured analysis

B．Information Engineering

C．Discovery Prototyping

D．Object-Oriented analysis

爸爸去北京出差，4月31日回来．______．（判断对错）

关于梗阻性肥厚型心肌病超声心动图所见的描述，不正确的是（）。

A.主动脉瓣收缩中期部分关闭

B.室间隔明显增厚

C.左心室后壁增厚，但增厚程度小于室间隔

D.心室壁呈弥漫性向心性肥厚

E.室间隔厚度与左心室后壁厚度比值大于1.3

发电机电压检测电路的检测点在（）上。

A．调节器

B．发动机

C．蓄电池

长白山借记卡被盗、遗失和损坏如何处理？