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秦趙長平之戰

  wiki kknews edbhk baidu 考古人员仅在这层就挖掘出头盖骨60多个,因天寒地冻无法再挖,专家们推测,此坑所埋赵军官兵尸体至少超过百具。此外,考古人员还运用国际最先进的射线测定法,探测到在一号坑的西侧,还有一个宽3至4米、长55米的大尸骨坑,他们将其编为二号坑。他们分析认为,此坑和附近的二号坑均为深坑,不像秦军专为掩埋战俘尸体所挖,更像是天然的深沟大壑。当年,秦军将战俘尸体抛入沟内,再填上一层薄土加以掩盖。 紙上談兵
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Humanoid robot component list breakdown

  unitree G1 teardown  from baidu site jonver munro  on motortrend moomoo CNP Securities conducted a component-level teardown of Unitree G1 and found its BOM cost to be only RMB 41,600, compared to a selling price of RMB 85,000, resulting in a gross margin of up to 40.7%; the EDU version's gross margin can reach as high as 66.7%. The teardown revealed that its core hardware consists of mature components from supply chains such as Intel, DJI, and Longsys, with no significant barriers in the hardware itself. The true competitive advantage lies in proprietary motion control algorithms. However, the teardown also exposed design limitations: a single-arm load capacity of only 2kg and a battery life of 1-2 hours, making it difficult to enter industrial applications. zhihu Wechat   semianalysis nikkei