虽然，下一个焦点可遍历的可见组件获取初始的焦点也是合理的，但这的确依赖于本机焦点管理器。
Although it makes sense for the next focus traversable visible component to get the initial focus, it really depends on the native focus manager.
输入通常是最顶部的模型对象，通过该对象可遍历其它所有对象。
The input is typically the top-most model object, from which all other objects can be traversed.
清单11展示了更多的数组遍历函数，可适用于其他编程语言的数组遍历。
Further array traversal functions are as follows in Listing 11 and fit appropriately with array traversal in other programming languages.
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