optical time domain reflectometer(OTDR)

• 光时域反射计

optical time domain reflectometer(OTDR)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。