APDH光纤环路系统具有容量适中、一步复用、自愈保护和网管功能完善等优点。
The APDH system has the advantages of moderate capacity, self-healing loop network, one step multiplexer and perfect network management.
介绍了一种全光纤波长可调谐环路反射镜。
An all fiber wavelength tunable loop mirror is demonstrated.
高比特数字用户环路(HDSL)技术是一种新的在双绞铜线上实现高速数据传输技术，有“铜光纤”之称。
HDSL is a new high-speed data transport technology realized over twisted-pair wires and is known as "copper optical fiber."
异步数字用户环路技术（ADSL）是在光纤用户网络普及之前，向用户提供宽带业务的一种过渡手段。
The asymmetric digital subscriber modulation technology is a transitional means to provide subscribers with broadband services prior to the popularization of light - fiber subscriber networks.
异步数字用户环路技术（ADSL）是在光纤用户网络普及之前，向用户提供宽带业务的一种过渡手段。
The asymmetric digital subscriber modulation technology is a transitional means to provide subscribers with broadband services prior to the popularization of light - fiber subscriber networks.
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