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1. 空间直角坐标系

1. 空间直角坐标系. z. y. x. 八个卦限. 0. z. y. x. 1. 空间直角坐标系. 八个卦限. 0. z. y. x. 1. 空间直角坐标系. Ⅲ. Ⅱ. 八个卦限. z. Ⅰ. Ⅳ. M  ( x,y,z ). 点的坐标. ( x,y,z ). M. 0. y. x. N. Ⅵ. Ⅴ. Ⅷ. z. 0. y. x. 1. 空间直角坐标系. ( x,y,z ).  M. 坐标和点. z. ( x,y,z ). M. 0. y. x. N. z. 0. y. x.

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1. 空间直角坐标系

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  1. 1.空间直角坐标系 z y x 八个卦限 0

  2. . z y x 1.空间直角坐标系 八个卦限 0

  3. . z y x 1.空间直角坐标系 Ⅲ Ⅱ 八个卦限 z Ⅰ Ⅳ M  (x,y,z) 点的坐标 (x,y,z) M 0 y x N Ⅵ Ⅴ Ⅷ

  4. . z 0 y x 1.空间直角坐标系 (x,y,z)  M 坐标和点 z (x,y,z) M 0 y x N

  5. . z 0 y x M点到原点的距离 1.空间直角坐标系 M点到坐标面的距离 M点到坐标轴的距离 到z轴: 到x轴: d1 到y轴: (x,y,z) M d3 d2 0 Q N P . . .

  6. . z 0 y x M点的对称点 1.空间直角坐标系 关于xoy面: (x,y,z) (x,y,-z) 关于x轴: (x,y,z) (x,-y,-z) M(x,y,z) 0 R (-x,-y,-z) 关于原点: (x,y,z) (-x,-y,-z) Q P x (x,-y,-z) (x,y,-z)

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