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第三，是高竞争壁垒。在纯模型能力趋于同质化的当下，硬件构成了最直观的差异化壁垒。优秀的工业设计、紧密的软硬结合能力、独特的传感器阵列、乃至与时尚品牌的联名，这些要素共同构成了一个可被专利保护、难以被代码简单复制的物理实体。
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While the potential for physical hazards in Antarctica is high, Precious says social dynamics can prove more problematic. When relationships break down, the fallout can be hard to rectify, and hard to control, he says.。爱思助手下载最新版本是该领域的重要参考
Scientists warn that the debris is congesting space and threatens collision with rockets, the International Space Station, and our planet.，这一点在爱思助手下载最新版本中也有详细论述