| 释义 |
1 ?平面 z平面(z-plane)：水平轴为z的实部、垂直轴为z的虚部的复平面。
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Remember, partial f, partial x was obtained by y That means I am slicing the graph of f by a plane that is parallel to the x, z plane. 要记得，在这里的fx中,是作为常量保持不变的。，looking，at，the，situation，where，y，is，held，constant。,这是我用一个平行于xz坐标系的平面,横截了f，所得到的图形。 - 2
Yes? Yeah, so I'm saying when you fix theta you get only a half plane, not a full plane I mean, it goes all the way up and down, but it doesn't go back to the other side of the z axis. Why? 请说，所以我说当固定θ时,得到的是半平面，而非全平面,它布满z-轴的一侧,但从不延伸到z-轴的另一侧，为什么？ - 3
So PI bonds have electron density both above and below the bond axis, but they actually have a nodal plane at this z, this bond axis here. 键在键轴之上，和之下都有电子密度，但它们在z方向有节面，这是键轴的地方。
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