WDM especially DWDM is widely used in long haul network because it can extremely expand the band, however in short haul area CWDM is paid attention to be cause its properties.
This paper not only theoretically discusses the basic conditions of short haul transport, but also practically researches the feasibility between Zhujiang Delta and Yantian port.
The movers charge just as much for a short haul as for a long one.
Our camp is only a short haul from here.
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