optical time-domain reflectometer

• 光时域反射计

optical time-domain reflectometer的用法和样例：

例句

1. By measuring in transmission, rather than in reflection, it overcomes the limitation imposed by cable loss on the use of the switched reflectometer.
   该方法对传输信号而非反射信号的测量，克服了电缆线损耗引起的对交换反射计的使用限制。