这样，我们只有当页面是在屏幕上显示时使用低分辨率的背景图像和并在打印时隐藏它(根据ForPrint参数值进行判断)。
This way we show the low resolution background image of this page during screen viewing and hide it during printing (based on the value of ForPrint parameter).
报表每一次在屏幕上显示时都会使用96dpi的低像素图片，而在打印或导出报表时就会使用高分辨率的图片。
Each time the report is rendered on screen, 96 dpi images are used while when the report in printed or exported the high resolution images are used.
我们在WinForms报表查看器中指定预览时使用低分辨率的图像，在网页激活打印时使用PDF格式预览。
We customized the preview by displaying low resolution image in WinForms report viewer and by using PDF preview when the printing is activated from a web page.
弊：以96dpi分辨率的图片为背景的报表在ReportViewer里应该能正确显示，但在打印或输出为PDF时，质量应该会很差。
Con: the report with 96 dpi BackgroundImage would be displayed correctly in ReportViewer, but when printing or exporting to PDF, the quality would be very poor.
数码成像时，颗粒状可能会在图片打印时像素分辨率过于粗糙或使用点分辨率过低的打印机时出现。
In digital imaging, graininess may occur as a result of printing an image, the pixel resolution of which is too coarse, or as a result of using a printer with poor dot resolution.
有了24万像素，从A77和其分辨率较低的竞争对手在打印出来时或在屏幕上观看时一样优秀。
With 24 million pixels to play with, images from the A77 look excellent alongside those from its lower-resolution competitors when printed out or viewed on screen.
有了24万像素，从A77和其分辨率较低的竞争对手在打印出来时或在屏幕上观看时一样优秀。
With 24 million pixels to play with, images from the A77 look excellent alongside those from its lower-resolution competitors when printed out or viewed on screen.
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