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[1] °Ù¶È°Ù¿Æ. ʯÃÞ. https://baike.m.73m.net/item/%E7%9F%B3%E6%A8%A1/18344
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[4] NASA. Space Shuttle Thermal Protection System. https://www.nasa.gov/sites/default/files/atoms/files/shuttle_thermal_protection_system.pdf
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[13] Silica Aerogel Characteristics. https://www.aerogel.org/?p=116
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