1·In its simplest form, each step navigates downward in an XML hierarchy to find the children of the elements returned by the previous step.
在最简单的形式中，每一步在XML层次中向下导航，以发现由前一步返回的元素的孩子。
2·This process repeats itself as the user navigates the application and also occurs in parallel as multiple people access the system.
当用户在应用程序中导航时，这个过程重复进行；当多个用户访问系统时，这个过程会并发进行。
3·Perpetual shopping carts display the number of items in the cart and sub-total as a shopper navigates the site.
永久购物车作为网站的一个导航展示在消费者购物车里的商品数量，并提供总价。
4·Set a global variable to CICS when the user navigates from the main screen to the CICS application.
当用户从主屏幕导航到CICS应用程序时，将某个全局变量设置为CICS。
5·It is important that as a user navigates from page to page, or returns to visit your site, that components can be cached and do not need to be downloaded each time your site is visited.
当用户在页面之间导航，或者返回您的站点时，可以缓存组件，不需要在每次访问站点时都下载它。