On measuring the spectral linewidth by means of photographing the fringes of the F-P etalon, the influence of the instrument width on the measured results has been discussed.
本文讨论了用F-P标准具的照相法测量光谱线宽时，仪器宽度对测量结果的影响。
Therefore, Carl F. Bucherer table is not only a timer, and a precision instrument, known as "aviation computer" reputation.
因而，表不仅仅是一种计时器，而且是一台精密的仪表，素有“航空计算机”的美称。
Therefore, Carl F. Bucherer table is not only a timer, and a precision instrument, known as "aviation computer" reputation.
因而，表不仅仅是一种计时器，而且是一台精密的仪表，素有“航空计算机”的美称。
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