NASA正准备在今年晚些时候对其X-59超音速静音喷气式飞机进行噪音测试，以评估其噪音水平。另外，奥迪推出了新款A2 e-tron，这是一款电动汽车，被宣传为其迄今为止最经济实惠、最高效的车型。 AI
排序理由 该集群包含来自不同行业（航空航天和汽车）的两个不同的产品公告，它们不代表重大的行业范围内的转变或前沿发布。
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NASA准备进行超音速静音喷气式飞机噪音测试；奥迪推出经济实惠的电动汽车
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- 该集群包含来自不同行业（航空航天和汽车）的两个不同的产品公告，它们不代表重大的行业范围内的转变或前沿发布。
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报道来源 [2]
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NASA 准备今年晚些时候进行其静音超音速喷气机的噪音测试 该机构想看看 X-59 到底有多安静。https:// gizmodo.com/nasa-read
NASA Readies Its Quiet Supersonic Jet for a Noise Test Later This Year The agency wants to see just how quiet the X-59 really is. https:// gizmodo.com/nasa-readies-its-q uiet-supersonic-jet-for-a-noise-test-later-this-year-2000808277 # Tech # Technology # TechNews # AI # Gadgets …
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奥迪新款A2 E-tron是其迄今为止最经济实惠、最高效的电动汽车。在选购电动汽车时，经济实惠正变得越来越普遍。但经济实惠
Audi’s new A2 E-tron is its most affordable and efficient EV yet When shopping for an electric vehicle, affordability is becoming a more common trait. But affordable and energy efficient is truly a rare breed. Often you have to sacrifice one for the other. Want something affordab…