department of energy issued a final rule on june 26,2009, amending the energy conservation standards for general service fluorescent lamps.
2009年6月,美国能源部正式公布了其对通用荧光灯能效要求的修订。
on 10. february 2014, us department of energy (doe) published a final rule prescribing new energy conservation standards for external power supplies.
2014年2月10日,美国能源部 (doe)发布了最终规则,对外置电源提出新的能效要求。
based on the synthetical assessing values and the conservation standards for natural forests, the sub compartments were divided into 4 conservation gradings.
根据小班资源的综合评价,并结合天然林保护的基本準则,将帽儿山天然次生林小班划分为4个保育等级。