用于保证计量安全和相应测量准确度的全部法规,技术手段及必要的操作是计量保证。任何一个计量或测量过程,其计量或测量准确度,除了计量器具的因素外,还受到操作者、环境和方法等因素的影响。为了保证计量或测量的质量,美国、原苏联、日本等国在70年代就开展了计量保证活动。美 All regulations, technical means and necessary operations for ensuring the safety of metering and the corresponding measurement accuracy are metrological assurance. Any measurement or measurement process, the measurement or measurement accuracy, in addition to measuring instruments, but also by the operator, the environment and methods and other factors. In order to ensure the quality of measurement or measurement, the United States, the former Soviet Union, Japan and other countries conducted measurement assurance activities in the 1970s. nice