1.They are using simulation technologies to help government and private business control and react to changing traffic conditions.
react to对…作出反应:
He reacted well to penicillin.
他对青霉素的反应良好 。
There'dbe no telling how John would react to such news as this.
还不知道约翰听到这样的消息会作何反应 。
2.they tell you who has been notified to get to the scene, it tells you how long it took them to get to the scene,
notify to 向...报告,通知
Notify to the supreme headquarters at once.
马上向总部报告!
I was notified to be here at half past 2.
你们通知我两点半到这儿(住院) 。