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【教学目标】1.了解空间向量的概念(1)经历向量由平面向空间推广的过程,尝试类比猜想,激发学生学习兴趣.(2)知道空间向量的含义,在具体情景中能用有向线段及记号表示空间向量.
[Teaching Objectives] 1. Understand the concept of space vector (1) The process of extending the experience vector from plane to space, try analog guessing, and stimulate students’ interest in learning. (2) Know the meaning of space vector and use it in specific situations. Line segments and marks represent space vectors.