When you use a conceptual model, you can define what kind of data is valid in the language that matches your domain.

当您使用概念模型时，可以定义在符合网域的语言中何种资料为有效。

youdao

When you use a conceptual model, you can define what kind of data is valid in the language that matches your domain.

当您使用概念模型时，可以定义在符合网域的语言中何种资料为有效。

youdao