源代码

kāi fàng yuán dài mǎ

开放源代码

open source

gāi xì tǒng yě kě yǐ wán quán cóng tóu kāi shǐ gòu jiàn zhí jiē cóng yuán dài mǎ kāi shǐ

该系统也可以完全从头开始构建，直接从源代码开始。

The system can also be built completely from scratch, directly from source code.