horizontal spectrograph是什么意思_horizontal spectrograph中文

horizontal spectrograph中文什么意思

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The durations of good imaging within a fixed year are preliminarily obtained by statistical analysis of imaging quality obtained from spectral observations in 1982 with the horizontal spectrograph installed at the yunnan observatory . the results show that in the autumn , september and august , a good image is usually available . for a daytime , there are two time intervals during which the solar image is relatively better than other time , one is in the morning 2 3 hours after the sunrise ; another in the afternoon 3 4 hours before the sunset , and it lasts about 0 . 5 1 . 0 hours for each
通过对云台水平式太阳光谱仪1982年太阳光谱观测中的成像质量情况统计分析，初步得到光谱仪一年中成像质量优良的时间在秋夏9月和8月份；一天内有两次像质优良的时间，上、下午各有一次，分别在日出后2 3小时和日落前3 4小时各有半小时到1小时左右的时间。

horizontal spectrograph中文什么意思