| 单词 | triple point |
| 释义 | triple point【化】 三相点 triple point triple point n.（名词）The temperature and pressure at which a substance can exist in equilibrium in the liquid, solid, and gaseous states. The triple point of pure water is at 0.01 degrees Celsius and 4.58 millimeters of mercury and is used to calibrate thermometers.三相点：物质在液体、固体和气体中均衡存在的温度及压力。纯水的三相点为摄氏0.01度且水银柱高度4.58毫米并可用于校准温度计 |
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