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日本研制了一种连续的激光扫描系统,用以检测水工隧洞排水后的表面状况。作者认为,这种新检测系统,比传统的检测方法更快、更安全、更准确。
Japan developed a continuous laser scanning system to detect surface conditions after drainage of hydraulic tunnels. The author believes that this new testing system is faster, safer and more accurate than traditional testing methods.