由于数据输入是任何CMS中的基本功能，Drupal提供一个Form API(参见参考资料)来描述表单字段。

Because data entry is a seminal function in any CMS, Drupal offers a form API (see Resources) to describe form fields.

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如果您无需使用企业版的某些功能，并且可将每天的输入资料量保持在500 MB以下，则可以转换为永久免费许可证。

If you can live without some of the features of the Enterprise edition and can stay under 500mb a day in input data volume, you can convert to the perpetual free license.

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用户可自己输入资料进行编程控制。该洗墙灯内置固定程序，可实现同步、自联功能。

User can input the data themselves to make program control. There is a fixed procedure inside this kind of light, which can realize synchronization, self-linking function.

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