user资讯

"frequency::str::How often to take the medication"

https://source.android.com/docs/setup/build/building-kernels

，详情可参考电影

1.4.6. Extracting binary files

在拓竹入局前，消费级3D打印机长期处于“两极分化”状态：工业级好用但贵，消费级便宜但难用，打印成功率只有60%—70%，纯属极客玩具。