所以，质子交换膜燃料电池是一种清洁、高效的绿色环保电源。
Therefore, the proton exchange membrane fuel cell is a clean, efficient green power.
从2006年开始，惠普在12个月内就重新设计了全部的个人电脑产品线，将更高效的电源和更快进入节电休眠模式的能力等绿色环保功能包括进来。
H-P redesigned its entire PC product line in 12 months, beginning in 2006, to include green features such as more efficient power supplies and the ability to go into power-saving sleep mode faster.
采用车载电源供电，绿色环保。
Use of vehicle power supply, green environmental protection.
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