【判断题】【消耗次数：1】
当单位移动荷载结构上移动时，表示某一量值变化规律的图形，称为该量值的影响线。
①
正确
②
错误
参考答案：
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用机动法作梁某一量值的影响线，其虚位移图的竖标为垂直于梁轴方向的虚位移，这一结论适用于（）。
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