Monitoring System: Pressure difference level or computer controlled digital level is adopted to indicate tank level.
监测系统：贮槽液位显示用压差式液位计或微机控制的数显液位计。
This article introduces perpendicular experimentation application in the area of mapping based on the example of colligate testing of digital level and staff.
文中以数字水准仪及标尺综合精度的检定为例，介绍了正交实验法在测绘仪器检定中的应用。
The appearance of digital level solves the problem of level's reading in measuring instrument and makes more active effects in measuring technology at present.
数字水准仪的出现解决了大地测量仪器中水准仪自动读数与记录问题，对当代测量技术产生了积极的影响。
The digital level was pushed out in 1990; its appearing has reformed leveling method to traditional meaning.
数字水准仪在1990年推出，它的问世革新了传统意义上的水准测量。
The digital level was pushed out in 1990; its appearing has reformed leveling method to traditional meaning.
数字水准仪在1990年推出，它的问世革新了传统意义上的水准测量。
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