This study has an important value on coupling analysis theory and active-passive vibration control of the human body-seat-boat-water systems.
本文的研究对于人体—座椅—船体—水波耦合系统的理论及其主被动综合控制具有一定的理论价值。
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Turning to cost, I am not sure to which Merrill Lynch study you are referring, but it would be simplistic to compare seat-mile costs of narrow-body operation over U.S.