Energy usage of mobile telephone services in Germany
作者： Carsten Schaefer , Christoph Weber , Alfred Voss
DOI: 10.1016/S0360-5442(02)00154-8
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摘要: … The voltage of the batteries varies between 3.6, 4.8, 6 or 7.2 V. There is also a broad range … on tariffs with a low monthly service fee and a high per-minute fee compared to tariff options …
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