介绍了智能WGL-1型采矿中深孔深度倾角测量仪的测量原理，硬件电路原理及软件设计。

The measuring principle, hardware circuit principle and software design of WGL-1 intelligent mining borehole depth and dip meter are introduced.

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应用dgh - 4000型眼部A型超声测量仪检测了72例近视眼及18例正常对照眼的前房深度、晶体厚度及眼轴长度。

The DGH-4000 Ultrasonic Pachymeter was used in the measurement of the anterior chamber depth (AD), lens thickness (lt) and axial length (al) in 72 patients with myopia and 18 individuals.

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