adj.双极的
It will be a bipolar HVDC system using two cables. 它是一个使用双线的双电极HVDC系统。
Mixed symptoms also are common in youths with bipolar disorder. 双相混合症状在青少年中也很常见。
This fraction matches the fraction of planetary nebulae that are bipolar. 这个比例符合双极星云在行星状星云中所占的比例。