搜索 - 科创

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这个我还有点了解，5年以前，主流的MESH方案有两种，一是直接用高通的802.11s基带芯片，二是用openwrt+通用WiFi芯片。前者用的固定帧协议，突破不了6站5跳的限制。后者厉害的公司...

10km，mach2就是一根固推的事。。。。但是在mach2下还开一个气球。。。😂恐怕就算是碳纤维布编织出来的降落伞（都不说气球了）都难保不破😂而且气球是完完全全可以自己飞到30+km的。。。。当...

本人是一位高中化学爱好者，在日常化学实验中遵守安全至上原则，虽然不会完全遵守实验规范（难度太大），但是一定是在保证安全的前提下进行操作，经过了4次的制取液溴、成功摸索出一套液溴制取与保存的方...

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