然而，Darpa表示，在以17到22倍音速飞行的状态下，飞机还是回传了139秒的空气动力学数据。

However, the flight still managed to return 139 seconds of aerodynamic data at a velocity between 17 and 22 times the speed of sound, Darpa said.

youdao

它接管了1分钟，在传统系统转让的，我的死胡同采用气动伺服系统可以缩短时间approx . 15秒只。

It took over 1 minute for transferring in the conventional system; I-SAC used pneumatic servo system could shorten the time to approx. 15 seconds only.

youdao