简要介绍了新型光电式垂线坐标仪与引张线仪的原理、结构和技术特点。
The principles, structures and technical characteristics of the CCD coordinometer and wire alignment transducer are briefly introduced.
研制的NDCY1型电测水平位移计，是对机械式引张线水平位移计的改进。
The NDCY 1 electrical horizontal displacement gauge is developed based on the previous one with mechanical tension wire.
研制的NDCY1型电测水平位移计，是对机械式引张线水平位移计的改进。
The NDCY 1 electrical horizontal displacement gauge is developed based on the previous one with mechanical tension wire.
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