| 1. | Is computed with the document root as context node
以文档根作为上下文节点计算得到。 |
| 2. | Accessing the context node is most common
访问上下文节点是最常见的。 |
| 3. | The value of the context node
上下文节点的值。 |
| 4. | Which raises an error if there is any attribute under the context node
如果在上下文节点中有任何属性，它抛出一个错误。 |
| 5. | The parent axis contains the parent of the context node , if there is one
Parent轴axis包含上下文节点的父节点,如果有父节点的话 |
| 6. | The position , or index number , of the context node , relative to the context size
上下文节点相对于上下文大小的位置（或索引号） 。 |
| 7. | The preceding - sibling axis contains all the preceding siblings of the context node
Preceding - sibling轴axis包含上下文节点之前的所有兄弟节点 |
| 8. | The following - sibling axis contains all the following siblings of the context node
Following - sibling轴axis包含上下文节点之后的所有兄弟节点 |
| 9. | However , within square brackets the current node is usually different from the context node
当然，在方括号内当前节点一般和上下文节点就不同了。 |
