The speed of the clear-up is raising hopes that the economy will prove resilient after the initial shock.
第一波灾害冲击后，清理灾区的速度给予公众希望，人们相信经济将会重新的振作起来。
2
The direction of travel and strength of shock waves are influenced by wind, speed, and direction, and by air temperature and pressure.
冲击波的行进方向和强度受到风、飞行速度及方向、气温和气压的影响。
3
Since then, congestion has grown worse, energy-demanding air conditioning has become routine, and highway speed limits have risen from the 55mph that was enforced after the oil shock of 1973-74.