...先发 国际电子电机工程师学会(IEEE)已经准备投入专利联盟(patent pool)经营，并开始召集有关乙太网路供电(power over Ethernet，PoE)相关技术的专利。
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本文将井下供电网路多种故障归结为“电流不对称”现象，以其作为保护动作的反映源。
Paper sums up various faults occurring in underground power network as a phenomenon of current unsymmetry, by the display of which the protection is thereby activated.
从事提供专业的电力技术，电力供电系统，电脑网路技术顾问等配套服务。
Offering professional electrical technology, electrical power system, and technical advises of computer network etc.
本研究期望能够提供电信业者在推 展行动网路服务与制订行销决策之参考。
This research provides telecom operators directions on developing mobile Internet services and their marketing strategies.
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