送秋波
发表于 2025-3-26 22:34:46
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Exclude
发表于 2025-3-27 03:55:11
Der Kurbeltrieb,bertragung von Bewegungen.. Nach der klassischen Definition von Reuleaux (1829—1900) ist eine Maschine eine Verbindung widerstandsfähiger Körper, durch welche Kräfte unter bestimmten Bewegungen, bestimmte Wirkungen ausüben können. Also ohne Bewegung keine Maschine; die Maschinenteile werden durch ei
专横
发表于 2025-3-27 06:37:55
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杂役
发表于 2025-3-27 11:42:55
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表状态
发表于 2025-3-27 17:03:31
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ACRID
发表于 2025-3-27 21:19:13
M. ten Boschtron spin relaxation times that are needed in estimating distances between spins or in selecting appropriate temperatures for particular experiments. Albert Bet978-1-4757-0575-1978-0-306-47109-4Series ISSN 0192-6020 Series E-ISSN 2512-2215
供过于求
发表于 2025-3-28 00:03:55
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malign
发表于 2025-3-28 02:13:21
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天文台
发表于 2025-3-28 06:18:14
M. ten Boschons in the interstellar medium and in cometary and planetary atmospheres are covered. Ionization is an important competitive process to dissociative recombination and its competition with predissociation and its role in the reverse process of the association of neutral species is presented. Dissocia
制造
发表于 2025-3-28 12:31:48
M. ten Boschase in mean annual temperature of up to 1.5 to 4.5 °C, and in Fennoscandia possibly an increase in precipitation. The factors responsible for the observed large-scale change in humus flux may be strengthened by the increasing greenhouse impacts, and may result in more humic and coloured lakes in Fen