"There are two major threads in current wind turbine technology: permanent-magnet synchronous generators and permanent-magnet direct-drive generators. The two are in competition, and we do not know which will come out ahead," says Liu.
「目前全球風機技術有 2 大主流──『永磁同步』和『永磁直趨』，兩者互相競爭，尚不知鹿死誰手。」