双绞线电缆;对绞电缆;
With the development of the broadband integrated service access network, HDSL and ADSL techniques could not satisfy the demand of broadband service due to the limitation of the properties of paired cable, so these two techniques are only transitional.
在宽带综合业务接入网中,HDSL和ADSL技术受到双绞线性能的限制,不能满足高质量的服务要求,只是一种过渡性的技术。
简答网 · 中考英语
简答网 · 职场英语
简答网 · 高考英语
简答网 · 初中英语作文