发电设备等效可用系数是指发电设备在报告期内实现()的程度
参考答案:完全发电能力
In fact, the room was not made to be a gift. It designed for the palace of Frederick I. However, the next King of Prussia, Frederick William I, whom the amber room belonged, decided not to keep it. In 1716 he gave them to Peter the Great. And then , the Czar sent him a troop of his best soldiers. So the Amber Room became part of the Czar’s winter palace in St Petersburg. Late, Catherine II had the Amber Room moved to a palace outside St Petersburg when she spent her summers. She told her artists to add more details in it. In 1770 the room was completed the way how she wanted. Almost six hundred candles lit the room, and it’s mirrors and pictures shone like gold. Sad, although the Amber Room was considered one of the wonders of the world, it is now missed.
肝脏肿大患者,医生用手压迫肝脏时出现颈静脉怒张更明显,称为肝颈静脉回流征阳性,是下列哪一种疾病的征象()
A.右心衰竭肝淤血症
B.肝硬化门静脉高压症
C.上腔静脉阻塞综合征
D.下腔静脉阻塞综合征
E.肝静脉阻塞综合征