通过考察美国华盛顿特区西部的仙纳度国家公园,基于对仙纳度国家公园考察过程的感知,在阐述其建设里程以及公园的功能定位与建设特征的基础上,结合美国国家公园的职能与定位去探讨蕴含在仙纳度国家公园背后的美国国家责任与大众公平享用机会,从而提出建立我国国家公园的必要性与紧迫性。 Based on the investigation of Shennanduo National Park in the western Shenandoah National Park in the United States, on the basis of elaborating the construction mileage and the functional and constructional features of the park, combining with the functions and positioning of the U.S. National Park To explore the implications of the American national responsibility and the public fair enjoyment behind Sinatra National Park and to put forward the necessity and urgency of establishing the national park in China.