horizontal spectrograph中文什么意思

下載手機詞典可隨時隨地查詞查翻譯

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
通過對云臺水平式太陽光譜儀1982年太陽光譜觀測中的成像質量情況統(tǒng)計分析，初步得到光譜儀一年中成像質量優(yōu)良的時間在秋夏9月和8月份；一天內有兩次像質優(yōu)良的時間，上、下午各有一次，分別在日出后2 3小時和日落前3 4小時各有半小時到1小時左右的時間。

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