它改进自nanosail计划，帆面由镀铝聚酯薄膜做成，厚度大约只有普通垃圾袋的四分之一。
Its sail, adapted from the Nanosail project, is made of aluminized Mylar about one-quarter the thickness of a trash bag.
它改进自nanosail计划，帆面由镀铝聚酯薄膜做成，厚度大约只有普通垃圾袋的四分之一。
Its sail, adapted from the Nanosail project, is made of aluminized Mylar about one-quarter the thickness of a trash bag.
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