为树莓派更新国内源
编辑/etc/apt/sources.list 后，执行apt-get update
deb http://mirrors.aliyun.com/raspbian/raspbian/ jessie main non-free contrib deb-src http://mirrors.aliyun.com/raspbian/raspbian/ jessie main non-free contrib
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Designing Animations
Designing Animations
编辑/etc/apt/sources.list 后，执行apt-get update
deb http://mirrors.aliyun.com/raspbian/raspbian/ jessie main non-free contrib deb-src http://mirrors.aliyun.com/raspbian/raspbian/ jessie main non-free contrib