photographic survey system是什么意思

用法例句

In this paper, a case history of the application of tiltmeter system to monitor the stability of tunnel is introduced.

本文介绍倾角计测斜系统在隧道稳定性临测中的应用例。

Introduced are basic principle and characters of servo rebalance control loop in a dynamically tuned gyro inclinometer system.

介绍了动调式陀螺测斜系统伺服控制再平衡回路的基本原理和工作特点。