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1、计算机专业英语张起荣Unit Two Software Keywords： compiler 编译器 maximum最大值 procedural 过程化的 low-levele低级，底层 assembly language汇编语言 cross-platform跨平台 source code源代码Passage Four C Language Unit Two Software Keywords： embedded system 嵌入式系统 code portability 代码移植性 system resource 系统资源 interpreted languages解释型语言 stabili
2、ty稳定性 availability可用性Passage Four C Language Unit Two Software Keywords： machine-specific针对于特定机器的 abstraction抽取，解析 overhead 开销 algorithm算法 struct结构体 union联合体 enum枚举Passage Four C Language Unit Two Software Keywords： variable变量 function函数 operand操作数 operator操作符 syntax语法 loop 循环 libraries库文件 comment 注
3、释 Passage Four C Language Unit Two Software Keywords： terminate结束 load加载 eidt编辑 run运行 equal相等，等于 default缺省Passage Four C Language Word-building ：super-前缀，意思为超级的。 例如：supercomputer 超级计算机 supermarket 超级市场Passage Four C Language Unit Two SoftwareWord-building ： 动词+ment=名词 例如：implement实现（v） implementatio
4、n实现（n）move移动(v) movement移动(n)Passage Four C Language Unit Two SoftwareWord-building ： 动词+ation=名词 例如：compute实现（v） computation实现（n） initialize 初始化（v） initialization初始化（n）Passage Four C Language Unit Two SoftwareWord-building ： ability，后缀，指的能力，可性。 例如：portability可移植性 availability可用性 stability 稳定性 expan
5、dability可扩展性 maintainability可维护性Passage Four C Language Unit Two SoftwareWord-building ： dis-,前缀，表示破坏或者否定 例如：continue 继续discontinue中断,中止connect 连接 disconnect 切断,断开Passage Four C Language Unit Two Software Sentences ： It was designed to be compiled using a relatively straightforward compiler, to prov
6、ide low-level access to memory, to provide language constructs that map efficiently tomachine instructions, and to require minimal run-time support. Passage Four C Language Unit Two Software Sentences ：C was therefore useful for many applications that had formerly been coded in assembly language. Pa
7、ssage Four C Language Unit Two Software Sentences ： One consequence of Cs wide acceptance and efficiency is that compilers, libraries, and interpreters of other programming languages are often implemented in C. Passage Four C Language Unit Two Software Sentences ： Due to its thin layer of abstractio
8、n and low overhead, C allows efficient implementations of algorithms and data structures , which is useful for programs that perform a lot of computations. Passage Four C Language Unit Two Software Sentences ：First, if the variable count wereinitially set to any number greater than 5, the statements
9、 within theloop would not be executed at all,so it is possible to have a while loop that never is executed. Passage Four C Language Unit Two Software Sentences ： In nearly any context in C, a simple statement can be replaced by a compound statementthat will be treated as if it were asingle statement
10、 as far as programcontrol goes. Passage Four C Language Unit Two Software Sentences ： The following is a program that generates a list of centigrade and Fahrenheit temperatures and prints a message out at the freezing point of water and another at the boilingpoint of water.Passage Four C Language Unit Two Software Sentences ： You will also notice that the“printf“ statements that are in the “if“ statements within the big“for“ loop are indented three additional spaces because they are part of another construct. Passage Four C Language Unit Two Software
