Virtual temperature load method to adjusting the tension force in the cable is proposed, and its computing procedure and iteration expression are given.
提出了斜拉桥调索计算的斜拉索虚拟温度荷载法，给出了该方法的计算流程和迭代表达式。
This also gives rise to the idea of nested iteration, all inside the same expression.
这还引出了嵌套迭代的概念，所有迭代都位于同一表达式中。
The value of the items attribute should be the collection over whose members the iteration is to occur, and is typically specified using an EL expression.
items属性的值应该是一个集合，对该集合的成员进行迭代，通常使用el表达式指定值。
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