题目内容

在原理图元件工作区第四象限接近原点的位置绘制原理图元件,执行菜单命令“Place(放置)→Line(直线)”,绘制元件方框,执行菜单命令“Place(放置)→Poligon(多边形)”,绘制三角箭头;再次执行菜单命令“Place(放置)→Line(直线)”,绘制一段直线;执行菜单命令(),放置管脚。

A. Tools(工具)→New Component(新元件)
B. Place(放置)→Pin(引脚)
C. Tools(工具)→Rename Component(重新命名器件)
D. Edit(编辑)→Select(选中)→All(全部)

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双击管脚,弹出“管脚属性”对话框,在其中修改管脚属性。将()从 1 开始,依次加 1;“Display Name”(显示名称)可以空白不填,两者的“Visible”(可见的)复选框不选中,不显示管脚名称和管脚标号。

A. Designator(标识符)
B. Display Name(显示名称)
C. Electrical Type(电气类型)
D. Power(电源端口)

双击管脚,“管脚属性”中的“Electrical Type”(电气类型)选择默认值(),根据实际情况,可以选择“Input”(输入)、“Output”(输出)、“Power”(电源端口,包括电源和地);“Length”(长度)改为 10。

A. Passive(无源)
B. Input(输入)
C. Output(输出)
D. Power(电源端口,包括电源和地)

Directions: In this section, there are 5 English interpretations. Please select the most proper word for each one from the choices given in the word bank and then write the corresponding letter and the Chinese meaning for each item.A.volume;B. reliability;C. elaborated;D. interface;E. defect;F.criteria;G.preliminary;H. specification;I. categorization;J. dimension1. the process of putting people or things into categories (= groups with the same features) _______2. a connection between two pieces of electronic equipment, or between a person and a computer ____________3. the quality of being able to be trusted or believed because of working or behaving well_______4. coming before a more important action or event, especially introducing or preparing for it______5. a measurement of something in a particular direction, especially its height, length, or width _______

图层对齐命令至少需要()个图层。

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