strain-recording equipment

At present, fiber Bragg grating ( FBG) temperature/ strain sensors and optical time domain reflectometer have been commercialized, and have been widely used in the health diagnostics of large buildings, bridges, electrical equipment, and the fault localization of optical fiber cables.

目前，光纤光栅温度／应变传感器和光时域反射计已经商品化，并且广泛应用于大型建筑物、桥梁、电力设备等的健康诊断和通信光缆的故障定位。

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As a very effective tool to explore the soil stress-strain relationship, true triaxial apparatus is a very important test equipment to study the soil under the three-dimensional stress state.

真三轴仪是研究土体在三维应力状态下的重要测试仪器，为探寻土体的应力应变关系十分有效的工具。

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