In this paper, the better measurement exactitudes of the first excitation potential of mercury atom were gotten by using the liner regression method in drawing up experiment curves.

本文用线性回归法拟合实验曲线，提高了汞原子第一激发电势的测量精度。

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Meanwhile the excitation potential of mercury atom in high energy state has been measured and the measurement limitation, as well as the measurement conditions, have been discussed.

同时对汞原子高能态激发电势进行了测量，讨论了测量条件及其局限性等问题。

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So it is not necessary to use a broad-band laser to guarantee excitation efficiency for an atom with hyperfine split levels.

因此，在这样激光功率条件下，为提高原子激发效率而增加激光谱线宽度的做法并不是必要的。

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