Vector, one of the most basic and principal concepts in modern mathematics, has dual identity with geometry and algebraic form. As a mathematical tool, the vector with rich practical background and broad application function, is the important media between the various subject content knowledge. This thesis solves the actual problem with vector method through several examples, fully taps into the application function of vector and plays the role of vector tool.%向量是现代数学中最基本、最重要的概念之一，具有几何形式和代数形式的“双重身份”。作为一种数学工具，向量具有丰富的实际背景和广泛的应用功能，是联系多种学科内容知识的重要媒介。本文通过几个例子，利用向量方法去解决实际问题，充分挖掘向量的应用功能，发挥向量的工具作用。
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