打印机配置有纵向页面方向。

Your printer is configured with portrait page orientation.

youdao

在构造函数（请参考 清单 5）中，使用传入的 $orientation（页面方向）、$unit（计量单位）和 $format（页面大小）初始化父类。

In the constructor (see Listing 5), initialize the parent class using the $orientation (page orientation), $unit (measurement unit), and $format (page size) that were passed in.

youdao

没错，在理想化的条件下：面对有着许多可选项的对话框、菜单或启动页面时，触控快过方向键。

And yes, under ideal conditions, touch is faster than a d-pad when there are lots of options available in a dialog or menu or launcher page.

youdao