设备和装置也许可能被用来作为指示用、监视或者测量用。相同的设备有可能使用于以上三种功能。
Equipment and devices may be used for indication, monitoring or measuring. The same equipment could be used for all these three functions.
旋标装置飞机控制板上的指示器或观测仪，用来测量角度。
An indicator or a sighting apparatus on a plane table, used in angular measurement.
文中叙述了以气体分析质谱计作指示器，动态法测量渗透率的原理，实验装置与测量结果。
In this paper, it is described the principle of penetration rate measured by dynamic method, experiment set-up and the measured result, the gas mass spectrometer was taken as indicator.
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