我国《计量法》规定,计量检定工作要执行计量检定规程。通常在计量检定规程的检定项目叙述中,关于首次检定、后续检定和使用中检验有不同的要求,如《热能表检定规程》中,首次检定和后续检定的项目相同,均为 China’s “Metrology Law” stipulates that the measurement verification work should carry out the measurement verification procedures. Usually in the metrological verification procedures described in the test item, on the first test, follow-up test and in-service test have different requirements, such as “thermal meter test procedures”, the first test and follow-up test of the same items are