屏幕标尺
测量屏幕上的距离和尺寸，支持像素和物理单位
屏幕标尺
测量区域
功能特点
- 支持3种测量模式（距离、面积、角度）
- 4种测量单位（像素、英寸、厘米、毫米）
- 实时测量预览
- 测量历史记录
- 一键复制测量结果
- 高精度测量
- 可视化测量线
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