In the previous section, you learned that only the delete operation can be applied to a sequence of nodes, such as repeating elements.
在前一节中指出，在节点序列(比如重复元素)上只能应用删除操作。
The instance view lets you create a new instance, add and delete elements and attributes, change element and attribute names, move element and attribute nodes, rename them, and assign values to them.
Instance视图允许创建新实例，增加和删除元素或属性，改变元素和属性名，删除元素和属性节点，重命名和为其赋值。
Listing 10 shows one approach, which is to bind the "Delete" trigger to a node in the data model, and then to make that node non-relevant when the count of nodes in the set reaches 1.
清单10给出了一种方法，那就是将“删除”触发器绑定到数据模型中的节点上，然后在节点集中的节点数达到1时使该节点变为不相关。
Because of its function to automatically delete redundant nodes, the optimization ability of this algorithm is prominent.
由于算法自动删除冗余节点的功能，突出了优化能力。
Because of its function to automatically delete redundant nodes, the optimization ability of this algorithm is prominent.
由于算法自动删除冗余节点的功能，突出了优化能力。
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