precision indicator meaning in English

精测指示器
精密指示器

The modular mathematical modeling method of ivc - based - vi is studied . by studying the principle , function , performance , precision indicator , working condition , the mathematical modeling of vi ' s representative common components is discussed in detail through modular modeling method
本文通过对多种测试分析仪器的原理、功能、性能、精度指标、使用对象和使用环境等研究，采用模块化建模方法，对虚拟仪器典型共性部件的模块化数学建模进行了详细论述。