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参考
编辑模式
3D视图(3D Viewport) ‣ 视图叠加层(Viewport Overlays)‣ 曲线编辑模式(Curve Edit Mode)
When in Edit Mode, curves have special overlays to control how curves are displayed in the 3D Viewport.
切换选项以显示贝塞尔曲线的控制柄。
切换曲线法线的显示与否。
指向法线方向的轴的长度。