同时还发现当不起动现象发生时,由于波后分离包的存在,在进气道的进口前形成向后倾斜的激波而不是正激波。
When the inlet unstarted, there is a inclined backward shock in the front of the inlet due to the existence of separation bubble behind the shock near the wall.
“超级男孩”在美国起动较慢,但到初秋,两支跻身排行榜前40名的歌曲(《我想你回来》和《撕裂我的心》)促使专辑卖到了白金唱片的销量。
'N Sync was slow in getting out of the gate in the United States, but by early fall, two Top 40 hits (I Want You Back and Tearin' Up My Heart) had propelled12 the album to platinum sales.
在此基础上,根据电梯起停频繁的特点,利用直流母线电压变化率推导出起动时刻理想初始参数和在输入功率变化时的前馈调节量,提高了系统的快速性。
On this foundation, in view of features that the elevator starts and stops frequently, the ideal starting time parameter and the value of feed forward adjustment when input power .
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