定义并改进地址记录模型。

Defining and refining the address record model.

youdao

建模是记录模型在应用程序域内的状态和行为的过程。

Modeling is the documentation of patterns of state and behavior within the application domain.

youdao

框架查询两个元数据源：活动记录模型和每个模型对象的定制元数据文件。

The framework queries two sources of metadata: the Active Record model and a custom metadata file for each model object.

youdao

So for each student the tutor builds a model of that Student's current state what the computer thinks they Know and doesn't know, and tries to present the student options that best meet what the tutor thinks are the student's need at that moment.

因此辅导系统会给每个学生,创建一个模型记录他们当前的学习状态,判断他们已经掌握和还不了解的知识,然后给出此时导师认为,最符合他们需要的选择。

麻省理工公开课 - 媒体、教育、市场课程节选