Selection 选择

Window Selection 窗口选择 Crossing Selection 窗交 选择 Window Polygon Selection 不规则区域 窗 选 Crossing Polygon Selection 不规则区域 窗交 Fence Selection 栏选 Remove Selection 删除选择
This blog for those after the in-class training, and need help during their practice. All steps are listed here for your reference.