[物体属性](%E7%89%A9%E4%BD%93%E5%B1%9E%E6%80%A7.md) [选择物体](%E9%80%89%E6%8B%A9%E7%89%A9%E4%BD%93.md) [物体随机](%E7%89%A9%E4%BD%93%E9%9A%8F%E6%9C%BA.md) [物体对齐](%E7%89%A9%E4%BD%93%E5%AF%B9%E9%BD%90.md) [物体关联](%E7%89%A9%E4%BD%93%E5%85%B3%E8%81%94.md) [物体分布](%E7%89%A9%E4%BD%93%E5%88%86%E5%B8%83.md)