在这里必须有一种方式去向对象发出一个请求，在对象收到请求后才能照指令去完成一个事务，在屏幕上打印一些东西，或是打开一个开关。
There must be a way to make a request of that object so it will do something, such as complete a transaction, draw something on screen or turn on a switch.
它允许用手写笔在用特殊磁性墨水打印的页面上做记号，同时显示在电脑屏幕上。
It would allow notations made with a stylus on a page printed with a special magnetic ink to simultaneously appear on a computer screen.
在第一个示例中，连接到数据库，发出查询，并将结果打印到屏幕上。
In the first example, you connected to the database, issued a query, and printed the results to the screen.
由于错误被立即捕获，用户不必重新回头在应用程序屏幕和打印表单上寻找要更正的信息。
Because the error is caught immediately, the user does not have to regain his bearings and find the information that needs to be corrected on both the application screen and the printed form.
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.
我们设计HTML页面都是为了使它们在屏幕上看起来很好，但打印这些Web 页面却往往是事后才想到的事。
We all design our HTML pages to look good on the screen, but printing those Web pages is usually an afterthought.
实现的方法是：用fop生成可在屏幕上阅读或打印的PD f文档，同时保持在XML文档中指定的格式。
I achieved that by using Fop to generate PDF documents that could be read on screen or printed, while keeping the format specified in an XML document.
当文章在屏幕上编辑好或打印出来后，我喜欢大声朗读出来。
After editing the work on screen or in print, I like to read the text aloud.
通过将传感器与电脑相连，人可以可以带着这个设备在吸气时选择屏幕上的字母，从而打印出词和句子。
By connecting the sensor to a computer, a person wearing the device can use sniffs to select letters on a screen to build up words and sentences.
事实上，这跟你在电脑屏幕上点击打印按钮，然后把电子文件，比如说一封信，送到喷墨打印机上是一样的。
In fact it is similar to clicking on the print button on a computer screen and sending a digital file, say a letter, to an inkjet printer.
在屏幕上看到数据是一回事，将它保存到磁盘中(或者打印出来)又完全是另一回事。
Viewing data onscreen is one thing, saving it to disk (and printing it) is another matter entirely.
电子函件传送消息已经代替了电话。 用户可以在方便的时候再去对它作出反应，而不会被打扰，并可以在屏幕上显示消息或把它打印出来。
E-mail has replaced the telephone for many messages．Users can respond when it is convenient，without being interrupted, and can get their message either on-screen or in the printed form．
我们的自定义代码会在报表是在被显示在屏幕上时将该参数设置为False，而当报表是在被打印或输出时，将其设置为True。
The parameter is set by our custom code to False when the report is viewed on screen and True when it is printed or exported.
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).
你的设计在屏幕上看起来不同，不同的当你从你的喷墨打印机打印，如果你收到一个不同的数字证明，不同光刻印刷时。
Your design will look different on screen, different when you print from your inkjet printer, different if you receive a digital proof and different when litho printing.
下面的例子尝试打开一个文件并将其内容打印在屏幕上。
Look at the following example, which tries to open a file and print its contents to the screen.
在照片我刚刚打印的每一块拼图到屏幕上。
In the photo I've just printed each puzzle piece to the screen.
如果屏幕字体与打印字体相像，那么文件在屏幕上的显示就会与其被打印出来的样子大致相同。
When the screen font resembles a printed font a document may look approximately the same on the screen as it will when printed.
运用此程序可在CRT屏幕上绘制色谱图，在各色谱峰峰顶自动打印保留时间。
Using the program chromatogram can be drawn in CRT screen and the screen displays retention time in every top peak.
那么一个简单的“打印”按钮，当用户水龙头，它打印在屏幕上的一切。
So a simple button that says "print" then when the user taps on it, it prints everything on the screen.
如果你可以在电脑屏幕上修改家庭作业作文的第一稿，何必还要把它打印出来呢？
Why print the first draft of that homework essay when you can edit it onscreen?
实验数据可以在计算机屏幕上显示、分 析比较、和打印。
The experimental data can be displayed on the computer screen for analyzing, comparing, and printing.
在安装屏幕上，选择输出到打印机。
唯一知道的在屏幕上的什么是从一个干净的状态和帐户开始每一单个字符终端命令打印。
The only way to know what's on the screen is to start from a clean state and account for every single character and terminal command printed. Vim does just that;
预览(打印预览)意思是在屏幕上观看将它打印出来会是什么样子。
Previewing (print previewing) means viewing a document on screen to see what it will look in printed form.
用户可以在方便的时候再去对它作出反应，而不会被打扰，并可以在屏幕上显示消息或把它打印出来。
Users can respond when it is convenient, without being interrupted, and can get their message either on-screen or in the printed form.
它很难看到屏幕上，并在打印，很容易混淆死像素显示器或一块游离在页面上的碳粉盒上。
It's hard to see on-screen and in print, and it's easy to confuse for a dead pixel on your monitor or a stray piece of toner on the page.
它很难看到屏幕上，并在打印，很容易混淆死像素显示器或一块游离在页面上的碳粉盒上。
It's hard to see on-screen and in print, and it's easy to confuse for a dead pixel on your monitor or a stray piece of toner on the page.
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