撕裂皮肉 发表于 2025-3-25 03:23:29

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范例 发表于 2025-3-25 08:10:36

David A. J. Seargent Phasenfläche ist der geometrische Ort aller Punkte gleicher Schwingungsphase. Die senkrecht auf den Phasenflächen gedachten Normalen sind die Strahlen der geometrischen Optik. Damit stimmt der Strahlenverlauf in isotropen Medien mit der Ausbreitungsrichtung der zugeordneten elektromagnetischen Welle überein.

反应 发表于 2025-3-25 15:02:52

David A. J. Seargenter des Prismas, Zylinders usw. offenbar durch eine Idealisierung oder Vereinfachung wirklicher, nicht ebenmäßiger Körper entstanden, und zwar wahrscheinlich sehr wesentlich aus Bewegungserlebnissen (Palágyi.). Dieser Vorgang ist Gegenstand der Philosophie und vor allem der .. Er fällt aus dem Rahmen unserer Arbeit.

恃强凌弱的人 发表于 2025-3-25 19:40:37

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打算 发表于 2025-3-25 20:11:22

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intoxicate 发表于 2025-3-26 04:00:13

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visual-cortex 发表于 2025-3-26 04:18:59

Unsung Little Worlds, he noted the presence of something unusual. One of the apparent stars was moving! His initial thought was that he had found a new comet, however if this was a comet, it was a strange one as it appeared consistently starlike and, during the following days and weeks, revealed no tendency toward devel

Herpetologist 发表于 2025-3-26 10:33:49

Comet Oddities: Different Objects Sharing the Same Orbit,seen asteroids that look and behave in ways more traditionally associated with comets and we have noted comets that are almost indistinguishable from asteroids and other bodies which seem to pass back and forth from one class to the other.

Essential 发表于 2025-3-26 15:45:32

More Comet Oddities: Outbursts, Disruptions and Other Strange Behavior,f nebulosity having a similar brightness, close to it. Clearly this was a new comet, but it was strange that such a bright object in so readily accessible a region of the heavens was not reported well before it had become so conspicuous. Holmes’ discovery was quickly followed by a cluster of indepen

变形词 发表于 2025-3-26 19:38:14

Unsung Little Worlds, he noted the presence of something unusual. One of the apparent stars was moving! His initial thought was that he had found a new comet, however if this was a comet, it was a strange one as it appeared consistently starlike and, during the following days and weeks, revealed no tendency toward devel
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查看完整版本: Titlebook: Weird Comets and Asteroids; The Strange Little W David A. J. Seargent Book 2017 Springer International Publishing AG 2017 Comets and astero