针对某项应急响应功能或其中某些应急响应行动举行的演练活动是()。

A．同构

B．JPEG

C．可逆

D．ISDN

静态图像常用JPEG标准进行信息压缩。目前JPEG中使用(21)算法，它属于(22)方法。JPEG是有损压缩，恢复的图像质量低于原来的图像，为了获得较高信息压缩比，误差主要在(23)中引入。运动图像常采用MPEG标准，它比JPEG有更高的信息压缩比，因为它还利用了相邻图像数据的时间冗余，采用(24)，因此它的inter帧比intra帧使用了更少的数据量。目前高档微机已能实现对MPEG图像的软件实时解码，但还不能实现软件实时编码，这是因为(25)。

A．DFT

B．DCT

C．wavelet

D．K-L

A．ATM技术

B．虚拟存储技术

C．RAID技术

D．寄存器文件技术

A．邻域平均法

B．空域滤波法

C．理想低通滤波法

D．高通滤波法

electroluminescent flat panel display hanging on a partition wall will act as both a(7)and videophone display.A high resolution, touch sensitive LCD(8)into desktop will allow pan-based pointing and data input. In the home, meanwhile, computers will become as ubiquitous as TVs.Computer interfaces will be far friendlier than(9)graphical user interfaces(GUI)of today. Computers will use "human interfaces" based on multimedia.RISC microprocessors will finally obliterate the ever thinning gap between workstations and PCs. Similar advances in nonvolatile flash memory will lead to the replacement of magnetic(10)disks with electronic "silicon disks".

A．desk

B．monitor

C．built

D．mouse-driven

A．microprocessor

B．operating systems

C．voice

D．interface

A．upgrade

B．upstair

C．downstair

D．downgrade

en the client system and the database server. Since the bulk of the database processing is done on the back-end, the speed of the DBMS isn't tied to the speed of the(31).The major disadvantage of Client/Server system is the increased cost of(32) and support personnel who maintain the database server. There is also the issue of(33)with so many parts comprising the entire C/S system; Murphy's Law can kick in-the more pieces that compose the system, the more pieces that can fail. It's also harder to track down problems when the system(34). And it can initially take longer to get all the components set up and working together. All this is compounded by the general lack of experience and expertise of potential support personnel and programmers, due to the relative newness of the technology. As C/S system become more common, this problem should abate.Therefore the C/S system is more(35).

A．network

B．operating system

C．personal computer

D．workstation

A．goodness

B．toolkits

C．object

D．project

y to solve today's software problems. Object-oriented programming requires a new attitude toward problem(57). Problem(57)with computer system becomes more natural. Application can(58)be translated into(59). Although it is commonly believed that it will be easier to train new programmers to use object-oriented techniques than to(60)programmers who have substantial experience in applying conventional programming language constructs.

A．test

B．force

C．educate

D．touch