现代太阳帆航天器的设计，如纳米帆- D或者日本的行星飞船IKAROS，是以很少但是持续的太阳光为推动力。
Modern solar sail spacecraft designs, like NanoSail-D or the Japanese interplanetary spacecraft IKAROS, rely on the small but continuous pressure from sunlight itself for thrust.
形三角布组成如裙子或帆的一部分的三角形或锥形的布块。
A triangular or tapering piece of cloth forming a part of something, as in a skirt or sail.
帆船运动中船按其帆和桅杆不同而分类，如单桅多帆船，双桅或三桅纵帆船，双桅船，及大双桅船。
The sailing boats are grouped according to their sails and masts, such as sloop, schooner yawl, and ketch.
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