Sets: Firefox 3.0 implements some useful extensions for working with node sets.
Sets：Firefox 3.0实现了一些使用节点集的有用扩展。
This (in the case of expressions representing node sets) allows the nodes to be retrieved incrementally, rather than all at once.
这（在表达式表示节点集的情况下）允许递增检索节点，而不是立即检索所有节点。
So long as the operands are both already sorted into document order, this avoids the need to allocate memory for the intermediate node sets.
只要已经按文档顺序排序了这两个操作数，就不必为中间节点集分配内存。
Math: Firefox 3.0 implements some functions that make it easier to grab smallest and largest numerical quantities from the content of node sets.
Math：Firefox 3.0实现了一些函数，这些函数可以让您更轻松地从节点集内容中获取最小数值量和最大数值量。
The largest clique meets the criterion that its node sets are not of approximate subsets of any other clique.
最大基团满足其节点集合不是任何其他基团节点集的适当子集。
Most XPath expressions, especially location paths, return node-sets.
多数XPath表达式，特别是位置路径，都返回节点集。
Try to design your extension functions so that they use only doubles, strings, booleans, and node-sets as both arguments and return values.
尽量尝试将您的扩展函数设计为仅使用双精度、字符串、布尔和节点集作为实参和返回值的类型。
It can also create sequences of atomic values, which might be confused with node-sets.
它也可以创建原子值序列，这有可能与结点集混淆。
Exsl: node-set allows you to turn result tree fragments into node-sets so that you can apply XPath on them.
node -set允许您将结果树片段转换为节点集，这样便可以对其应用XPath。
You can specify additional range indexes for particular node-sets that are likely to occur in your queries.
您可以为可能出现在您的查询中的特定节点集指定附加的范围索引。
Extension functions that operate on node-sets are trickier to write than ones that operate on simple values, but not excessively so.
处理节点集的扩展函数编写起来比那些处理简单值的函数更要求技巧，但不是非常困难。
There are no more node-sets in XPath 2.0, just sequences of nodes.
XPath 2.0中不再有节点集，只有节点序列。
However, XSLT 1.0 will not let you do that, because it processes all node-sets in document order or in reverse document order.
但是在XSLT 1.0中做不到，因为只能按照文档顺序或者逆文档顺序处理全部节点集。
Sequences are a new way to look at an old concept, broadening the notion of node-sets to include atomic (primitive non-node) values.
序列是观察旧概念的一种新方式，它拓展了节点集的概念，将原子值（非节点的基本数据）包括了进来。
Sequences are a new way to look at an old concept, broadening the notion of node-sets to include atomic (primitive non-node) values.
序列是观察旧概念的一种新方式，它拓展了节点集的概念，将原子值（非节点的基本数据）包括了进来。
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