Fundamentally, the for loop involves what is known as an iterator, which is used to move through the collectionitem by item.
本质上，for循环涉及到一个迭代器(iterator)，用于在集合中逐项移动。
2
It has been a debated issue for catalogers whether the collectionitem of academic textbooks should be catalogued in Series or in Notes.
教材系列图书信息是著录在丛编项还是著录在附注项，成为编目人员有争议的问题。
3
This document contains links to the dialog modules, to the factory URL to create new work items, and to the work itemcollection URL that enables you to query work items.