Prior to the seed file, no convention existed for initialization, and many developers put code in migrations, clouding the differentiation between creating the database and populating it.
在Seed文件之前，不存在初始化的惯例，许多开发人员把代码放入迁移中，这样容易混淆创建数据库和填充数据库之间的不同之处。
Run rake db: seed to execute the code.
运行rake db： seed以执行代码。
This program is based on the SEED-VPM642 experimental procedure development board, including many of the experimental source code.
此程序为基于SEED - VPM 642开发板的实验程序，包含了众多的实验源代码。
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