They are different from the groves and streams we have down here, but they don't seem necessarily to differ, I submit, in their degree of physicality.

与地上的树林和溪流不同，但在物化的程度上，我得说，它们似乎没什么不同。

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And the point that I also want to make is the way that they differ, z effective actually differs from the total charge in the nucleus due to an idea called shielding.

我也想指出的一点是它们不同的方式,有效的z事实上不同于原子核的，总电荷量,因为屏蔽效应。

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