For instance, when the Print Preview button is clicked in a KOffice application, it will query the Trader for a service that implements a viewer associated with the type of file "postscript."
例如，当在KOffice应用程序中单击print Preview按钮时，它将向Trader查询实现与文件类型“postscript”相关的查看器的服务。
You can preview how a Web page will look and see how many printed pages it will be by clicking the File menu and then clicking Print Preview .
通过单击“文件”菜单然后单击“打印预览”，可以预览网页的外观并查看要打印的页数。
You can preview how a Web page will look and see how many printed pages it will be by clicking the File menu and then clicking Print Preview .
通过单击“文件”菜单然后单击“打印预览”，可以预览网页的外观并查看要打印的页数。
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