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绪言1968年10月国际权度委员会同意采用1968年国际实用温标(IPTS-68)来取代 IPTS-48。现代气体温度计的测定结果表明 IPTS-48所给定的温度与热力学温度之间存在着不可忽略的偏差。这意味着所有铂电阻温
INTRODUCTION In October 1968, ILC agreed to replace the IPTS-48 with the International Practical Temperature Scale 1968 (IPTS-68). The results of the modern gas thermometer show that there is a non-negligible deviation between the temperature given by IPTS-48 and the thermodynamic temperature. This means that all platinum resistance temperature