select all nodes meaning in Chinese

选定所有节点

When it is used at the beginning of a location path , it means : select all nodes in the document of the specified type
当它位于路径的开头时，表示选择文档中特定类型的节点的全体
In the middle of a location path it means : select all nodes which appear in the node selected with the first part of the location path
当它位于路径的中间时，表示选择前面部分的路径匹配后的所有节点