An experimental study is performed on the measuring characteristics of BOTDR for structural health monitoring, including dead weight tension test and optical fiber compression-tension test.
应用BOTDR检测技术对用于结构物健康监测的光纤变形检出特性进行了试验研究，包括光纤锥重拉伸试验和光纤压缩与拉张试验。
Biometric authentication is measuring physical or behavioral characteristics of a human and using these characteristics as a metric for authentication.
生物认证评测一个人的身体或行为特征，并且使用这些特征作为认证的标准。
This dissertation is mainly about repeatability, which is one of the chief characteristics of measuring instruments.
本论文主要针对作为测量仪器主要特性之一的重复性进行讨论。
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