#### 关于径向标注 - 径向标注可标注圆弧和圆的半径或直径； #### 本节内容 - [直径标注](D%E7%9B%B4%E5%BE%84%E6%A0%87%E6%B3%A8.md) - [半径标注](D%E5%8D%8A%E5%BE%84%E6%A0%87%E6%B3%A8.md) - [径向标注实例参数和类型参数](D%E5%BE%84%E5%90%91%E6%A0%87%E6%B3%A8%E5%AE%9E%E4%BE%8B%E5%8F%82%E6%95%B0%E5%92%8C%E7%B1%BB%E5%9E%8B%E5%8F%82%E6%95%B0.md)