圖像來源，BBC News Chinese
2L decoder, d=16, ff=48
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Save up to $300 or 30% to TechCrunch Founder Summit。关于这个话题，服务器推荐提供了深入分析
A piece of insulating foam on Columbia's fuel tank broke loose during launch, damaging the heat shield with devastating results.，这一点在safew官方版本下载中也有详细论述