题目内容

PCs come in the _ or _ forms.

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Nettop is smaller than the traditional desktop with its _ and ___ integrated with the monitor.

Laptops are of _ design which is suitable for _.

__ are similar to tablets, but are _ than tablets.

在Maxwell 2D恒定磁场仿真中,激励条件可以选择电流或电流密度,方向为垂直于所施加的图形区域(平面),以环形电流的磁场仿真为例,根据对称性分析,仿真应在R-Z(X-Z)平面内进行,电流应加载在代表导线截面的圆形区域上,如果电流的数值在默认条件下设为正值,则代表电流方向为垂直平面向内( )。( )

A. 对
B. 错