【摘要】 掌握常见的曲面方程的识记规律,不仅能轻松建立空间图形,而且为多元函数积分学的学习打下坚实的基础。更多还原

【Abstract】 To master the law of common surface equation,not only can easily establish a space graphics,but can lay a solid basis for learning multi-function.更多还原