通过测量氢光谱可见谱线的波长，较准确测定了氢的里德伯常数，并对计算氢的里德伯常数A类不确定度的三种方法进行了讨论。结果为首先求x〖DD(-*2〗—〖DD）〗和y〖DD(-*2〗—〖DD）〗以及Sx〖DD(-*2〗—〖DD）〗和Sd〖DD(-*2〗—〖DD）〗，再通过不确定度的传递公式所得SR〖DD(-*2〗—〖DD）〗最小。
By measuring the wavelength of hydrogen spectrum line, the J R Rydbery constant are calculated Three methods which are used to calculate the class A uncertainty of hydrogen for J R Rydbery constant were discussed. The value of SR〖DD(-*2〗—〖DD)〗 reach its minimum by calculating the x〖DD(-*2〗—〖DD)〗、d〖DD(-*2〗—〖DD)〗、Sx〖DD(-*2〗—〖DD)〗、Sd〖DD(-*2〗—〖DD)〗 and referring to the passing formula of uncertainty. Therefore, this is the best processing of all.
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