长途通信技术
Long distance communication technology
以上为机器翻译结果,长、整句建议使用 人工翻译 。
密集波分复用(DWDM)技术在长途通信中已经得到了广泛的应用,但其高昂的系统成本极大地限制了它在城域网中的应用。
DWDM technology has been widely used in long-distance communications, but its high system cost has greatly limited its application into metro area networks (MAN).
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