1. Select font to display schema in tree View. 选择在树视图中显示架构的字体。
2. There are various Distributed Schema Files that are standards based, but you can always create your own Schema Specification. 虽然有各种基于标准的分布式规划文件，但是你总是可以建立自己的规划规范。
3. This directive defines an attribute type. Please see the Schema Specification chapter for information regarding how to use this directive. 这个指令定义一个属性类型。请参阅模式说明章节以获取如何使用该命令的相关信息。
英英解释
n.
1. an internal representation of the world; an organization of concepts and actions that can be revised
2. a schematic or preliminary plan
