对一种基于锁相环原理的电机定子磁链观测器作进一步研究.Motor stator flux observer based on PLL was studied further.介绍了交流励磁变速恒频风力发电系统运行的基本原理及发电机的定子磁链定向向量控制技术.The paper introduced the vector control technique oriented by the stator flux of the genera...
Mr Dunn's pleas of poverty are only partly justified.邓恩先生贫穷的托词只是部分成立。The provincial assembly were deaf to all pleas for financial help.省议会对所有的经济救助请求都充耳不闻。They cried for mercy but their pleas were met with abuse and ...
...jackets, which are then trimmed with crocheted flowers...另外以钩花镶边的夹克She trimmed the stalks of the tulips before putting them in a vase.她在把郁金香插进花瓶之前修剪了花茎.But skeptics worry that costs may be trimmed at the expense of th...