metrical instrument meaning in English

测量仪表
米制计量仪器

Operation of experimental and metrical instrument
试验及测试仪器操作
Gauge hat for optical metrical instrument
光学计量仪器用测帽
The system can be used in many fields , such as image processing , light energy distribution measuring , optical instrument and metrical instrument reforming
该系统可用于图像处理,光强分布测量,各种光学仪器和观测计量仪器的自动化智能改造等。
The network provides researchers with a still more convenient metrical instrument for social science research and evaluation research . it also contributes to a more accurate and more objective metrical means
在社会科学研究与社会科学评价研究里，网络给研究者提供了更便利的计量工具，也促成了更准确、客观的计量方法。