浮雕宝石
发表于 2025-3-26 21:37:31
The Science News Metrics,research. The Science News Metrics was created over 10 years ago to review NASA’s performance in this arena. The metric has been useful for many years as one facet in measuring the scientific discovery productivity of NASA-funded missions. The metric is computed independently of the agency and has b
污秽
发表于 2025-3-27 03:31:59
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类人猿
发表于 2025-3-27 08:17:07
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facilitate
发表于 2025-3-27 12:17:58
Letters to the Editor of the AAS Newsletter: A Personal Story,orities, and experiences of being an astronomer. While these Letters do not provide a scientific sampling of the issues, they do provide an illuminating picture of the astronomical scene as seen from the perspectives of our colleagues. I describe the history and policies of the Letters section, then
喷出
发表于 2025-3-27 14:21:06
Search Strategies for Exoplanets,planets, where both the number of planets detected and the number of research groups in the field have grown in parallel, will be followed by a golden age in exoplanet discovery. In the next 15 years, current and planned searches with observatories in space and on the ground will increase this numbe
BOAST
发表于 2025-3-27 19:36:12
IAU Initiatives Relating to the Near-Earth Object Impact Hazard, on this research and its implementation in relation to international organizations like the United Nations is described. Special attention is paid to the rôle of the IAU Minor Planet Center and how the IAU has dealt with related problems. An important issue, often causing controversy, has been the
BOLT
发表于 2025-3-27 22:15:39
,Afoev: Serving Variable-Star Observers Since 1921 — An Interview with Émile Schweitzer, (AFOEV) that started in 1921 to collect magnitude estimates from observers in France and abroad. The data, entirely published, are put - free of charge and without prior request — at the disposal of professional astronomers using them and proposing co
dithiolethione
发表于 2025-3-28 02:35:56
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婴儿
发表于 2025-3-28 08:17:01
m (TINA-C). Th: architecture will provide an environment for the construction, operation and management of broad range of services, ranging from standard to new sophisticated types, like multimedia. TINA adopts the Open Distributed Processing (ODP) approach that is an emerging ISO/ITU-T standard. OD
entice
发表于 2025-3-28 11:06:32
aced is not the number of requirements, as they are very often scarce and imprecise, but the fact that the requirements a system designer can get are normally sparse, i.e., they belong to extremely different categories. Many design methodologies try to define a process for analysing requirements, bu