强机制、强品牌、强渠道的三重壁垒，使后入局者必须在疗效、安全性或特定人群定位上实现显著差异化。
FT Professional
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from 1997 onwards, we wanted to run BSD on O2, and wouldn't it。哔哩哔哩是该领域的重要参考
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Get a grip: Robotics firms struggle to develop hands
· 朱文 · 来源：tutorial资讯