tattle
发表于 2025-3-26 21:17:07
Adrian Pocanschi,Marios C. Phocastook out practically the same amount of "rel atively outdated" material. Every chapter has been extensively updated and revised; many of the pictures in the previous editions were deleted and, whenever available and appropriate, were replaced by diagrams or flow sheets. In Part I we have expanded t
商谈
发表于 2025-3-27 01:14:23
Richard S. Laskine Pfeilhöhen beider Schienen genau übereinstimmen. Man kann sich zwar durch Mittelung helfen, aber wenn man die gleiche durchlaufende Schiene benutzt, wird man stets leicht eine Stelle finden, an der innen und außen der gleiche Pfeilhöhenwert, nur mit entgegengesetzten Vorzeichen, meßbar ist. Bei de
维持
发表于 2025-3-27 07:27:52
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织物
发表于 2025-3-27 09:31:19
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分开
发表于 2025-3-27 15:57:27
Homage to Richard Stephenson: French Observations of the Sun at the Time of the ‘Sun King’s well as its diameter, sunspots and eclipses. Richard Stephenson has successfully employed old solar eclipses records, mainly from Chinese chronicles, to study long-term variations in the rotation rate of the Earth.
上涨
发表于 2025-3-27 19:40:49
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