题目：
构成航行速度三角形的向量为（）.
A.空速向量和地速向量
B.风速向量和地速向量
C.风速向量、空速向量和地速向量
答案：
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构成航行速度三角形的向量为（）.A.空速向量和地速向量 B.风速向量和地速向量
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