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- The steady frequency three-phase AC can be changed into the AC which frequency is continuously adjusted in the experiment unit composed of rectifier, inverter, control circuit, and relay safeguard circuit. SPWM三相变频实验单元能够把频率固定的三相交流电变换成频率连续可调的三相交流电,它主要包括交直变换、逆变、控制和继电保护电路。
- single frequency and steady frequency 单稳频指标
- The beats of the drum were steady and slow. 鼓声平稳而缓慢。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- He did not to be tied to a steady job. 他不愿死守着一件乏味的工作。
- There was a steady increase in population. 人口在不断增长中。
- He knew Helen was going steady with Michael. 他早知道海伦与迈克尔的关系很稳定。
- The old man is not steady on his legs. 这位老人站不稳。
- The ship kept to a steady course. 那艘船一直沿原航线航行。
- Have a steady touch in dealing with ... 善于沉着地应付。。。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- The soldiers kept up a steady fire. 士兵们不停地射击。
- I know she is steady in her purpose. 我知道她意志坚定。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- The price of fruits remains steady. 水果的价格保持稳定。
- She's not very steady on her pins. 她站得不太稳。
- She held onto a strap to steady herself. 她抓住拉手吊带以便站稳。
- Tom doesn't have a steady at the moment. 汤姆眼下还没有一个已确定关系的情侣。
- The tower is as steady as a rock even in gale-force winds. 这座塔甚至在7至10级大风里也稳如磐石。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。