单词 | helium I |
释义 | helium I helium I n.(名词)Liquid helium existing as a normal fluid between the superfluid transition point of approximately 2.2&9{=}K at 1 atmosphere pressure and its boiling point of 4.2&9{=}K.(低温物理学用语)氦I:液体氦,以普通液体形式存在于超流体之间,一个大气压下其转变点约为2.2&9{=}K,沸点为4.2&9{=}K |
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