incarcerate
发表于 2025-3-26 22:25:49
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旋转一周
发表于 2025-3-27 03:55:29
J. Ring,S. P. Worswicktschöpfung in China.Vor dem Hintergrund der rasanten wirtschAn China führt sowohl auf der Absatz- als auch auf der Beschaffungsseite kein Weg mehr vorbei. Mit Praxisbeispielen und anschaulichen Erfahrungsberichten von (chinesischen und westlichen) China-Experten aus renommierten Unternehmen (z.B. Ag
弯弯曲曲
发表于 2025-3-27 06:55:24
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要塞
发表于 2025-3-27 10:50:23
Trends in Astronomical Spectroscopyially with the highly efficient receivers now available. A few problems that will be studied for many years are considered: stellar evolution and nucleogenesis, stellar atmospheres and chromospheres, double and variable stars, and galactic, interstellar and extra-galactic astronomy. It seems probabl
creatine-kinase
发表于 2025-3-27 14:35:09
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Obliterate
发表于 2025-3-27 17:56:05
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错误
发表于 2025-3-28 00:38:30
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臆断
发表于 2025-3-28 04:10:57
Image Detectors for Recording Astronomical Ultraviolet Spectrad by fibre-optics to photographic film has been used to record echelle format spectra. Ultraviolet sensitivity is obtained by coating the detector faceplate with a fluorescent layer. An improved image intensifier incorporating a microchannel plate to give increased gain has enabled the detection of
无法治愈
发表于 2025-3-28 08:20:50
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HEAVY
发表于 2025-3-28 13:58:42
Sec Vidicon System for a ,alloon ,ltraviolet ,tellar ,pectrometerctrograph-detector combination as a balloon borne payload. It appeared that on a national basis the costs for such a program were prohibitive. Looking for a collaboration partner we found the group of the Astrophysics section of the Johnson Space Center of NASA at Houston under supervision of Dr. Ko