固定标记 meaning in English

fixing mark
mark-hold

Marking certain settings as not overridable that is , fixed specifies that these settings cannot be overridden by development
通过将某些设置标记为不可重写（即固定标记），可以指定在开发过程中不能重写这些设置。
In fact , xml is a kind of definition languages and the user can define his own tag to describe the data in xml documental
Xml实际上是一种定义语言，即使用者可以自行定义标记来描述文件中的数据元素，从而突破了html固定标记集合的约束。