无障碍区域是由一个起于直升机甲板边缘的基准点并在直升机甲板的水平面向外延伸的弧形所形成的区域。
Obstacle-free sector is a sector formed by an arc originating at the reference point of the edge of a helideck and extending outward in the horizontal plane level with the elevation of the helideck.
进行了区域旅游合作共推无障碍旅游的必要性分析。
The necessities for regional tourism development and cooperation are analyzed.
“房中房”的格局让视线可以毫无障碍地穿过生活区域和办公区域，到达中心的外部空间—花园。
The 'room in room system' creates views through all the rooms of the living and office areas and out onto the central external element, the garden atrium.
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