以下为句子列表：
英文: Many companies also are installing a combination of singlemode and multimode fiber in backbones.
中文: 还有许多公司在主干网中结合安装单模和多模光纤。
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英文: Multimode fiber is growing in the horizontal, as well, bringing the benefits of fiber all the way to the desktop.
中文: 多模光纤正在向水平方向发展，并从各个方面为桌面带来光纤的优势。
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英文: Today, most premises networks are installed with multimode fiber in the building backbone and campus backbone segments.
中文: 今天，许多建筑网络在楼宇主干网和园区主干网部分使用多模光纤安装。
更详细...
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