研磨自：[url=https://www.bilibili.com/video/BV1AP411L7Ay/?spm_id_from=autoNext&vd_source=edcad05029f6d4b15eaba8a422397416]【GGB教学】（指令）折线图5-绘制三棱锥_哔哩哔哩_bilibili[br][/url][br][url=https://www.bilibili.com/video/BV1DP411G7xX/]【GGB教学】（指令）折线图10-绘制三棱锥的正投影_哔哩哔哩_bilibili[/url]

[br]a顶面曲线[br]h放缩参数[br]p高度