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其二，此前曾传出小米考虑采用长城 Hi4-Z 四驱系统的消息，也并非空穴来风，而是对越野能力补强的务实考量。
。新收录的资料是该领域的重要参考
（本报记者亓玉昆、刘军国、洪秋婷、李昌禹、张文豪、祝佳祺、宋飞、梁泽谕、杨笑雨、易舒冉、王欣悦、李林蔚、史一棋参与采写）
Nonetheless, we can still study it to see if we can find anything interesting. At the same time, we can also study a copy of the NXT Bluetooth Developer Kit in order to understand how the computer communicates with the brick. (Despite being the "Bluetooth" developer kit, the documented protocol and commands are used over USB as well.)