At the same time, being flatter than a sphere, the aerostat ACTS less like a sail than a traditional balloon does, making it easier to steer.
同时，由于比球体扁平，此高空气球不像传统气球般随风飘动，它更容易操控。
The hills were framed with trees, and beyond them stretched a band of sea on which the sky, like a sail becalmed, rested in all its tenderness.
树木为山搭起了框架，在他们上面，延伸着一段大海，而其上的天空，像一面平静的帆，静静地休憩着。
Its design provides for more stability - with its flatter profile, it ACTS less like a sail, making it less susceptible to winds during flights of up to 1240 miles.
它的设计能够提供更好的稳定性——更平坦的外形，但是其作用并不像帆，这样能够在最远1240英里的飞行中更好地减少风的影响。
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