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在一定的宏观条件(温度、压力等)下,若多个系统某个特定的集体激发变得不稳定,该集体激发的现象。在钛酸钡(BaTiO3)一类的位移型铁电体中,某一特定的晶格振动模(通常是频率最低的横光学模)在温度趋于相变点时,其固有频率逐渐减小到零,晶体原子处于新的平衡位置,形成新的结构。
Physics
热学、统计物理学
统计物理学
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Comprehensive Environmental Response, Compensation and Liability Act
Comprehensive Environmental Response, Compensation and Liability Act of the United States of America
comprehensive evaluation index of social development
comprehensive evaluation model of regional mineral
comprehensive evaluation of logging
comprehensive evaluation of physical fitness
comprehensive evaluation of regional exploration geology
comprehensive evaluation of well logging data
comprehensive evaluation value of urban greening
comprehensive exhibition
comprehensive experiment
comprehensive experimental community for sustainable development
comprehensive exploration
comprehensive flare index
Comprehensive Gazetteer of Ming Dynasty
Comprehensive Geography of Ming Dynasty
comprehensive geological survey
comprehensive geological survey of islands
comprehensive geophysical profiling of gravity, magnetic, and magnetotelluric methods
comprehensive governance of social security
comprehensive graphs of borehole
comprehensive guidance radar
comprehensive health care of children’s oral disease
comprehensive high school
Comprehensive Implementation Plan for Deepening Rural Reform
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