In fact, the global air conditioning systems market staged a remarkable recovery in 2010, with sharp increase in volume sales for both room ac systems and packaged ac systems.

事实上，全球空调系统市场在2010年已经有了显著的恢复，室内空调以及大型空调组件系统销售量大幅增长。

AC Milan and England star David Beckham has confirmed that the operation he underwent on his injured Achilles tendon has gone well and he is looking forward to beginning his recovery.

AC米兰和英格兰球星贝克·汉姆已经确定了他的脚踝手术十分成功，比期待尽快恢复。

It is proposed that the most important factor to determine the ac flashover criterion is the recovery condition, but not the reignition condition as proposed by others.

决定交流污闪条件的最重要的因素是交流电弧的恢复条件，而不是以往人们所认为的重燃条件。

Based on the resonance reactor and the Magnetic Energy Recovery Switch (MERS), a novel single-phase AC-DC converter is designed.

将谐振电抗器和磁能恢复开关引入到单相ac - DC变换器中，设计了一种新颖的混合单相ac - DC变换器。