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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。
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热学、统计物理学
统计物理学
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colour center
colour centres
colour changing medium
colour code in geological map
colour compensating filter
Colour, Confusion and Concessions: The History of the Chinese in South Africa
colour controlling
coloured curtains with opera embroidery in Panxi Village, Fuliang County
Coloured Glaze
coloured glaze
coloured hollow-out lacquer table screen carved with animal designs
coloured jug decorated with playing-child designs
coloured noise
coloured opera sculpture of Clay Figure Zhang
coloured optical glass
Coloured People's Congress
coloured pottery pot pasted with a human figure
Coloureds
coloured sculptures in Chongqing Temple
coloured statues in the Duofu Temple
Colour-Embroidered Scroll of Bodhisattva Avalokitesvara with One Thousand Eyes and One Thousand Hands
colour excess
colour facsimile apparatus
colour fleck
colourful ball dance
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