“optical time domain reflectometer”的概念、定义、翻译、参考文献-科学参考

单词	optical time domain reflectometer
释义	optical time domain reflectometer Encyclopedia 工学光网络参数测试仪释 optical time domain reflectometer光时域反射计通过向被测光纤发送激光脉冲引起沿光纤的后向散射（瑞利散射）或光纤链路上有折射率变化节点处的反射，检测按时间顺序返回的光信号强度分布，并计算得到光纤长度与光纤损耗变化关系曲线的仪器。
随便看	farmland irrigation and drainage farmland irrigation system farmland monitoring farmland nitrogen and phosphorus loss farmland nitrous oxide emission farmland non-point source pollution controlling farmland non-point source pollution control technology farmland obstacle recognition farmland path farmland pollution farmland pollution monitoring farmland pollution risk assessment farmland protection farmland radiation transfer farmland reclamation farmland retreat for lake recovery farmland rodent community Farmland Rodent Damage in East China farmland rodent infestation in Northwest China farmland sand prevention farmland shelterbelt nets farmland shelterbelts farmland soil evaporation farmland water harvesting farm machinery cooperation

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