Fashion also goes in_______ : one year short skirts are “in”, ________ are “out”, and a few years later they are back in fashion again.
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Wearing high heels is ________ and ________, but it is not good for our health.
AutoCAD中,移动到点(100,100)的命令表达式是:____;移动到相对于上一点100个单位,角度为60度的点的命令表达式是:____。
在AUTOCAD中,用单条命令画的图形元素叫____。
在AUTOCAD中,在某条命令的执行过程中发现有错,按____强行中断命令的执行.