The complicated flow structures of an unsteady supersonic jet behind the bow shock are analyzed and a new formation mechanism of the unsteady effect of the shock shock interference flow is proposed.

分析弓形激波后超音速“喷流”的流动结构及其非定常效应的形成机制，提出一种新的激波碰撞干扰流动的非定常形成机理。

youdao

But, as I mentioned, I was suffering from jet lag, so I didn't mind, and also because one must bow before the traffic gods.

WSJ: Getting There in L.A.