空间向量是研究立体几何的重要工具之一,掌握空间向量在立体几何中的应用将有助于解决立体几何中的一些关键问题．由于它所涉及的立体几何问题较广泛,同学们常常对空间向量的应用方法掌握得不够全面,导致解题时出现困难．本文拟对 Space vector is one of the important tools for the study of solid geometry. Mastering the application of space vector in solid geometry will help solve some key problems in solid geometry. Because it involves a wide range of three-dimensional geometric problems, students often have insufficient grasp of the application of the space vector, resulting in difficulties in solving problems. This article intends to