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1、计算机专业英语,公欲成其事，必先利其器。,制作：梁晓晖 联系方式：,Unit Two Software,Keywords： compiler 编译器 maximum 最大值 procedural 过程化的 low-levele 低级 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 interpr
2、eted languages解释型语言 stability 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
3、符 syntax 语法 loop 循环 libraries 库文件 comment 注释,Passage Four C Language,Unit Two Software,Keywords： terminate 结束 load 价值 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 Software,Word-
4、building ： 动词+ment=名词 例如：implement实现（v） implementation实现（n） move移动(v) movement移动(n),Passage Four C Language,Unit Two Software,Word-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 Software,Word-building ： ability，后缀，指的能力，
5、可性。 例如：portability可移植性 availability可用性 stability 稳定性 expandability可扩展性 maintainability可维护性,Passage Four C Language,Unit Two Software,Word-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 b
6、e compiled using a relatively straightforward compiler, to provide low-level access to memory, to provide language constructs that map efficiently to machine instructions, and to require minimal run-time support.,Passage Four C Language,Unit Two Software,Sentences ： C was therefore useful for many a
7、pplications that had formerly been coded in assembly language.,Passage 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,
8、Unit Two Software,Sentences ： Due to its thin layer of abstraction 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 co
9、unt were initially set to any number greater than 5, the statements within the loop 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 c
10、ompound statement that will be treated as if it were a single statement as far as program control 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 w
11、ater and another at the boiling point 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,
