1.

对实时三维图形生成和显示技术研究的重点应该是（  提高刷新频率 ）。

提高刷新频率是关键之一，它能够减少延迟并提高用户体验。

2.RGB模式的图像中每个像素的颜色值都由R、G、B三个数值来决定，当R、G、B数值相等、均为255、均为0时，最终的颜色分别是（ 灰色、纯白色、纯黑色  ）。

3.计算机的语言是二进制语言，因此在计算机中，指令和数据都采用二进制存储。

4.

What is a Touch Screen?
A touch screen allows user commands to be issued by（pressing  ）corresponding buttons on the screen. Since their introduction in the 1970s, touch screens have become popular for computer and media technology. Chances are, if you have used an（automated  ）teller machine (ATM), owned a personal digital assistant (PDA), or played with the newer cell phones, you have already used touch screen technology.
There are several commonly used systems that allow for touch screens to work. Each method allows for commands to be translated by the computer as a（ result）of touching a certain point on the screen. Many convert the coordinates of the touch locations to specific actions to be taken by the system.
One of the most common systems for touch screens is called（ resistive ）. Covering the transparent panel of the screen are conductive and resistive metallic layers that have an electric current between them. When the screen is touched, the electrical current can tell the exact spot of contact and（ send ）the coordinates to the operating system. This is similar to how a mouse works with a computer, where the central operating system notes the exact point of a click and can respond by activating the action requested.

什么是触摸屏?
触摸屏允许用户通过按下屏幕上相应的按钮发出命令。自20世纪70年代触摸屏投入使用以来，它已成为计算机和多媒体技术的主流。如果你们使用过自动柜员机（ATM）， 拥有掌上电脑（PDA），或者玩过新款手机，应该已经使用过触摸屏技术。
有多种支持触摸屏工作的系统。这些系统是利用计算机将屏幕上被人们触碰的点转换为相应的指令。很多系统是将触摸位置的坐标转换为系统要采取的具体操作。
电阻式系统是最常见的触摸屏系统之一。 覆盖在屏幕透明面板上的是导电和电阻金属层，它们之间可以传导电流。当触摸屏幕时，电流可以准确计算触点的位置，并将坐标发送给操作系统。这类似于鼠标在计算机中的工作方式，中央操作系统记录点击的确切位置，并可以通过激活请求的操作

1. touch screen 触摸屏
2. issue commands 下达指令
3. automated teller machine (ATM) 自动柜员机
4. coordinate /kəʊˈɔːdɪnət/n. 坐标
5. resistive /rɪˈzɪstɪv/adj. 电阻的；电阻式
6. conductive adj. 导电的
7. metallic layer 金属层
8. operating system 操作系统

5.目前搜索引擎提供音乐下载主要有两种情况。一是在搜索引擎上提供享有音乐版权的网站链接地址，通过深层链接而免费下载音乐。二是在搜索引擎上提供未享有音乐版权的第三方网站链接地址，通过链接免费下载第三方网站中存储的音乐。由于音乐站点没有禁链的协议，搜索引擎服务系统就可以通过多种技术与手段，绕开法律法规触点，实现信息共享。有真实案例表明，法院一般不能裁定搜索引擎提供的搜索服务属于主观故意侵权行为。网络音乐传播技术的特征对著作权法律保护带来了冲击，需要在对比国内外有关音乐版权保护法律现状的基础上，对相关法律体系和授权机制提出建议。

6.

Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers(connected ) through a real-time communication network such as the Internet.In science, cloud computing is a (synonym) for distributed computing over a network, and means  the (ability) to run a program or application on many connected computers at the same time.

云计算描述了大量计算机通过互联网这类实时通信网络相互连接。

connected：连接；implemented：实现；optimized：优化；virtualized：虚拟化。

在学术定义里，云计算是网络分布式计算的同义词。

means the ability to run a program… 指具备在多台联网计算机上同时运行程序的能力

The architecture of a cloud is developed at three layers: infrastructure, platform, and application.The infrastructure layer is built with virtualized compute, storage, and network resources. The platform layer is for general-purpose and repeated usage of the collection of software resources. The application layer is formed with a collection of all needed software modules for SaaS applications.The infrastructure layer serves as the (foundation ) for building the platform layer of the cloud. In turn,the platform layer is a foundation for implementing the (application ) layer for SaaS applications.

基础设施层是搭建平台层的基础

平台层是实现 SaaS应用层的基础

云计算是用来描述各种计算概念的短语，包括大量计算机通过网络相互连接以实现分布计算，在学术领域，云计算是网络分布式计算的同义词，它代表能够在多台互连计算机上同时运行程序或应用的能力。

云的架构分为基础设施层、平台层和应用层三层。基础设施层由虚拟计算、存储和网络资源构成。平台层用于一组软件资源重复使用的通用目的。应用层由一组所需的软件模块构成，即软件即服务(SaaS)。基础设施层作为构建平台层的基础。相反，平台层是应用层的基础，为SaaS应用实现应用层

7.

Virtual reality(or VR (for short ) )is kind of a buzzword these days in computer graphics.

VR for short = 或者简称 VR; 虚拟现实（简称 VR）是如今计算机图形学中的热门术语。

VR is artificial reality created by a computer that is so enveloping that it is perceived by the mind as beingtruly real.VR exists in many ( forms).  虚拟现实存在多种形式。    A traditional view of virtual reality uses headsets and datagloves. The headset serves as the eyes and ears to your virtual world,projecting sights and soundsgenerated by the computer.The data glove becomes your hand,enabling you to interact with this ( simulated ) world.As you move your head around,the computer will track your motion and displaythe right image.VR is the most demanding (application) for computer graphics,requiring hardware and software capable of supporting realtime 3D (graphics )

1. interact with this ( simulated ) world 让你可以和这个模拟的世界交互。 simulated：模拟的（技术仿真，VR 虚拟世界标准用词）
2. VR is the most demanding application for computer graphics VR 是计算机图形领域要求最高的应用
3. requiring hardware and software capable of supporting realtime 3D graphics. 需要软硬件能够支持实时三维图形。 graphics：图形（计算机图形学固定术语 computer graphics）

虚拟现实(或简称VR)是近来在计算机图形学中的一种时髦话题。VR是由计算机产生的人造现实，因此它是由大脑产生的感觉而非真实的现实。VR以多种形式存在，传统的方法是使用头罩和数据手套头罩作为虚拟世界中的眼睛和耳朵，通过它来得到由计算机产生的视觉和声音。数据手套变成了你的手，使你与这个虚拟的世界进行互动。当你转动头时，计算机将跟踪你的运动并显示正确的图像。VR 是计算机图形学最迫切需要的应用领域，它需要能够支持实时3D图形技术的硬件和软件。