wake drag coefficient 尾流阻力系数
Then he fell asleep under her bed. Mrs. Stephenson couldn’t wake him, and police officers had to drag him out from under the bed.
然后在床下睡着了 史蒂芬森没能叫醒他 警官不得不把他从床底下拖出来。
We wake up, drag ourselves out of bed, and, even before we get to the bathroom, we begin worrying or planning what will happen during the day ahead.
一早醒来,慵懒的下床,连厕所都还没上呐,我们苦恼地就开始这天的安排了。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用,则与所使用的频率有关。
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