maculated
发表于 2025-3-28 16:19:32
Book 1986sciplinary studies‘. John Passmore Man‘s responsibility for nature The present text has arisen from some thirteen years advances in our perception, appraisal and creative use of collaboration between the two authors. During that of order in natural systems. Out of this can come period, upwards of a
复习
发表于 2025-3-28 20:22:47
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最后一个
发表于 2025-3-28 23:43:07
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Obvious
发表于 2025-3-29 03:15:39
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地名表
发表于 2025-3-29 07:45:34
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Humble
发表于 2025-3-29 13:06:49
Introduction,nts of palaeomagnetic intensities and pole positions, the dynamics of the Earth’s fluid core. This very diversity presents us with a formidable challenge at the outset, the more so since in most of the disciplines touched on, few workers are familiar with either the principles of magnetism involved or with the methods of study employed.
植物学
发表于 2025-3-29 18:09:52
Magnetic properties of solids,magnetic field though in the case of conventionally ‘non-magnetic’ materials the reaction will be very weak. A powerful electromagnet and sensitive measuring instrument are needed to demonstrate these weak reactions.
吹牛大王
发表于 2025-3-29 23:02:45
Magnetic minerals in the atmosphere,ut also of severe problems involved in obtaining sufficiently large, uncontaminated samples representative of the full range of particle sizes present. The sections which follow identify particular themes and outline the very modest progress made so far in each case. No attempt at a comprehensive review of atmospheric magnetism is yet possible.
蔑视
发表于 2025-3-30 03:56:26
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Alcove
发表于 2025-3-30 06:30:52
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