“second sound”的概念、定义、翻译、参考文献-科学参考

单词	second sound
释义	second sound [`sek·ǝnd `sau̇nd] ^ACOUSTICS A transverse sound wave which propagates in smectic liquid crystals, and whose behavior resembles mathematically that of second sound in superfluid helium. ^CRYOGENICS A type of wave propagated in the superfluid phase of liquid helium (helium II), in which temperature and entropy variations propagate with no appreciable variation in density or pressure.
随便看	negatron negentropy negotiated contract Negri bodies Neididae neighbor neighbor effect neighborhood of a point neighboring-group participation Neil's parabola Neisseriaceae nektobenthos nekton N electron NELIAC Nelson diaphragm cell nelsonite Nelumbonaceae nemalite Nemata Nemataceae nematath Nemathelminthes nematicide nematic phase

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