SATEC series 300 LX, featuring an Automatic Extensometer and Pneumatic Grips, and 3300 series testers.
SATEC系列300LX兼有自动伸长计和气动握紧，及3300系列试验器的特点。
The linearity of a large range extensometer is a critical problem, because its elastic'element is under large deformation.
大量程引伸计的弹性元件处于大变形工作状态，引伸计的非线性矛盾较突出。
In design of large range extensometer whose range is 100% strain, according to theory formulas and factual technics, using MATLAB to optimize the structure and size.
根据理论公式和实际工艺，通过MATLAB软件进行结构尺寸优化，设计一种量程为10 0 %应变的大量程引伸计。
In this article we have made analyses and comparisons of synchronized data from an extensometer and a 4-component borehole strainmeter at Yingkou seismological station.
本文对先后安装在营口地震台的伸缩仪和分量钻孔应变仪的同步观测数据进行了比对和分析。
This article introduces the working principle and the key technology of video extensometer measuring system, and analyses the development trend of the video extensometer.
本文研究了视频引伸计测量系统的工作原理和关键技术，并且分析了视频引伸计的发展趋势。
The main cause of error of strain measurement using electronic extensometer and its effects on the strength measurement in tensile tests of metallic materials was analyzed.
分析了电子引伸计应变测量误差形成的主要原因，以及对金属材料拉伸试验强度测试的影响，介绍了引伸计使用中的一些经验和注意事项。
According to the results from both the acoustic monitoring and the multi-point extensometer monitoring on the powerhouse made during past two years, the loosen zone of the rock is defined as 0.
根据地下厂房近两年的声波监测和多点位移计监测结果，确定了围岩的松动圈范围在0。
According to the results from both the acoustic monitoring and the multi-point extensometer monitoring on the powerhouse made during past two years, the loosen zone of the rock is defined as 0.
根据地下厂房近两年的声波监测和多点位移计监测结果，确定了围岩的松动圈范围在0。
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