他将电池采用模块化设计，装入3D打印外壳，组成14组模块串联形成电池组，规格为50V电压、2.5kWh容量，与该车原装48V铅酸电池参数相近，可直接替换。
Picture two engineers on the same team. Engineer A gets assigned a feature. She looks at the problem, considers a few options, and picks the simplest. A straightforward implementation, maybe 50 lines of code. Easy to read, easy to test, easy for the next person to pick up. It works. She ships it in a couple of days and moves on.，推荐阅读PDF资料获取更多信息
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从“提振消费”向“扩大内需”的战略深化，从传统产业升级到未来产业的前瞻布局，政策端正以前所未有的系统性推动结构优化。在财政温和扩张与货币适度宽松的宏观定调下，一般公共预算支出规模首次触及30万亿元，新型政策性金融工具规模亦显著扩容。经济增长目标定为4.5%—5%，并明确提出“在实际工作中努力争取更好结果”。在国内外复杂多变的环境下，这一务实且富有弹性的目标释放了怎样的信号？