Sensing of disengaging at interface of steel tube-confined concrete, which now can be realized by distributed optical fiber sensing, is important for structure safety.
通过分布式光纤传感技术可以实现对钢管混凝土界面脱空的检测，这对于这种组合结构的安全检测来说具有重要意义。
The detail of optical reflection characteristics, layered-structure, surface and interface characteristics were studied.
对金属多层薄膜的光学反射特性、层状结构、表面及界面特性进行了研究；
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