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“金属打印只是完成了坯件，真正的‘绣花’功夫主要在后面。”云耀深维创始人沈李耀威向硬氪透露。精度不足带来的连锁反应，是较长且较高成本的后处理流程，这被业界视为一个巨大的“隐形成本黑洞”。
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The $110bn deal ends a high-stakes bidding war between the two media companies, but the takeover still faces regulatory hurdles and a backlash from critics worried about a rightward tilt in US media.
The scientists were already investigating the problem of pollution from space debris when they realised a SpaceX Falcon 9 had failed in flight.