But ownership helps absorb the shock of sudden price increases or tight supply.
但股权却有助于在突如其来的价格上涨或供应吃紧是减轻冲击。
Maximum intensity is directly beneath the aircraft, and decreases as the lateral distance from the flight path increases until it ceases to exist because the shock waves refract away from the ground.
强度最大处位于飞机正下方,随着离飞行路线的横向距离的增大强度不断减小,直到因为冲击波在地面的折射而消失。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力,并减少了它们着地时冲击力带来的震动。
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