The actual accuracy is due to the calibration accuracy. Calibration methods affect the convenience and dependability of an optical measurement system directly.
系统的标定精度直接决定了系统的实际使用精度，而标定方法又直接影响着视觉测量系统的使用方便性和可靠性。
The actual accuracy of an optical measurement system is due to the calibration accuracy. The calibration methods should possess the property of convenience and dependability.
线结构光的标定精度直接决定了测量系统的实际测量精度，而标定方法又直接影响着测量系统使用的方便性和可靠性。
This article introduces the purpose, significance, methods and measurement accuracy estimate of the city deep foundation pit monitoring, and so on.
文章介绍了城市深基坑监测的目的、意义、方法及测量的精度估算等。
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