nominal
发表于 2025-3-23 12:04:13
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钢笔尖
发表于 2025-3-23 15:26:16
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明确
发表于 2025-3-23 20:05:35
Gautam Gangopadhyay,Anirban Kundum Stellmotor versperrt. Wir erkennen, daß z. B. bei Absinken der Drehzahl infolge erhöhter Leistungsabgabe des Gebläses der Doppelkolben nach unten wandert und damit die Ölleitung zum unteren Zylinderteil des hydraulischen Stellmotores geöffnet wird, so daß dieser eine Öffnungsbewegung des Frisch-da
松鸡
发表于 2025-3-23 23:47:03
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闹剧
发表于 2025-3-24 06:23:51
Book 2024cepheid variables and pulsars to the strange oscillations of the neutrinos and the new eye to look at the universe, namely the gravitational waves. The book stops at the discovery of the black hole at the center of our galaxy, but that is just because we must stop somewhere, or the assortment could
terazosin
发表于 2025-3-24 10:30:46
2524-5546topic from a new perspective.This book provides a brief and pedagogic introduction to a variety of topics, with a common motif that they all occur, in some way or other, in “the sky”, and involve some sort of “rhythm”. Sky is not just the inside of a dome; there are many strata, each with its own b
nostrum
发表于 2025-3-24 14:30:26
The Calendar, the Day and the Hour,eriodicity. Study of ancient eclipses helps us to synchronise ancient and modern calendars. The prime division of the day, the hour, initially followed the movement of the Sun. Periodic motion of the bodies in the solar system was used to find out the longitude both on land and on sea.
秘传
发表于 2025-3-24 16:04:32
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拥护者
发表于 2025-3-24 21:43:31
Flickering Candles: Cepheid Variable Stars, refined by later researchers. Interestingly, the measurement of Hubble’s constant using Cepheid variables and the Cosmic Microwave Background do not agree with experimental errors, a fact that has spurred intense activity.
crucial
发表于 2025-3-25 00:35:35
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