对散射理论以及仪器原理、关键技术和系统性能等进行了阐述。
The scattering theory and the instrument's principle, key technology, system performance and etc are described.
首先对实验环境的描述，实验仪器原理、测量范围及其精度进行简单介绍。
Firstly, give a brief description of the site environment, measuring instrument, measuring scope and accuracy.
并通过实验证明：该仪器原理先进，操作简单，可自动读数，具有较高的测量精度。
Experiment show that the instrument have advance principle, operated simply, read number automatically and high measurement accuracy.
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