例句與造句

1. 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(guò)對(duì)云臺(tái)水平式太陽(yáng)光譜儀1982年太陽(yáng)光譜觀測(cè)中的成像質(zhì)量情況統(tǒng)計(jì)分析，初步得到光譜儀一年中成像質(zhì)量?jī)?yōu)良的時(shí)間在秋夏9月和8月份；一天內(nèi)有兩次像質(zhì)優(yōu)良的時(shí)間，上、下午各有一次，分別在日出后2 3小時(shí)和日落前3 4小時(shí)各有半小時(shí)到1小時(shí)左右的時(shí)間。
2. It's difficult to find horizontal spectrograph in a sentence. 用horizontal spectrograph造句挺難的