这个新观察台是 宁静号节点舱 ( Tranquility Node )的一部分，有七扇窗户，为宇航员观察地球和周围的太空飞船提供了迄今为止最佳的视野。
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tranquility node
宁静的节点
以上为机器翻译结果，长、整句建议使用 人工翻译 。
On one of these walks, the Swede will move cabling on the exterior of the station in readiness for the arrival next year of a connecting unit, called Node 3 or "Tranquility", and a huge window referred to as the Cupola.
BBC: Faulty valve halts shuttle launch
Node 3, also known as Tranquility, will house the station's core life-support systems.
BBC: Shuttle Endeavour launches from Florida
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