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计算机专业英语,张起荣,UnitTwoSoftware,Keywords：compiler编译器maximum最大值procedural过程化的low-levele低级，底层assemblylanguage汇编语言cross-platform跨平台sourcecode源代码,PassageFourCLanguage,UnitTwoSoftware,Keywords：embeddedsystem嵌入式系统codeportability代码移植性systemresource系统资源interpretedlanguages解释型语言stability稳定性availability可用性,PassageFourCLanguage,UnitTwoSoftware,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,PassageFourCLanguage,UnitTwoSoftware,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注释,PassageFourCLanguage,UnitTwoSoftware,Keywords：terminate结束load加载eidt编辑run运行equal相等，等于default缺省,PassageFourCLanguage,Word-building：super-前缀，意思为超级的。例如：supercomputer超级计算机supermarket超级市场,PassageFourCLanguage,UnitTwoSoftware,Word-building：动词+ment=名词例如：implement实现（v）implementation实现（n）move移动(v)movement移动(n),PassageFourCLanguage,UnitTwoSoftware,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）,PassageFourCLanguage,UnitTwoSoftware,Word-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expandability可扩展性maintainability可维护性,PassageFourCLanguage,UnitTwoSoftware,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,PassageFourCLanguage,UnitTwoSoftware,Sentences：Itwasdesignedtobecompiledusingarelativelystraightforwardcompiler,toprovidelow-levelaccesstomemory,toprovidelanguageconstructsthatmapefficientlytomachineinstructions,andtorequireminimalrun-timesupport.,PassageFourCLanguage,UnitTwoSoftware,Sentences：Cwasthereforeusefulformanyapplicationsthathadformerlybeencodedinassemblylanguage.,PassageFourCLanguage,UnitTwoSoftware,Sentences：OneconsequenceofCswideacceptanceandefficiencyisthatcompilers,libraries,andinterpretersofotherprogramminglanguagesareoftenimplementedinC.,PassageFourCLanguage,UnitTwoSoftware,Sentences：Duetoitsthinlayerofabstractionandlowoverhead,Callowsefficientimplementationsofalgorithmsanddatastructures,whichisusefulforprogramsthatperformalotofcomputations.,PassageFourCLanguage,UnitTwoSoftware,Sentences：First,ifthevariablecountwereinitiallysettoanynumbergreaterthan5,thestatementswithintheloopwouldnotbeexecutedatall,soitispossibletohaveawhileloopthatneverisexecuted.,PassageFourCLanguage,UnitTwoSoftware,Sentences：InnearlyanycontextinC,asimplestatementcanbereplacedbyacompoundstatementthatwillbetreatedasifitwereasinglestatementasfarasprogramcontrolgoes.,PassageFourCLanguage,UnitTwoSoftware,Sentences：ThefollowingisaprogramthatgeneratesalistofcentigradeandFahrenheittemperaturesandprintsamessageoutatthefreezingpointofwaterandanotherattheboilingpointofwater.,PassageFourCLanguage,UnitTwoSoftware,Sentences：Youwillalsonoticethattheprintfstatementsthatareintheifstatementswithinthebigforloopareindentedthreeadditionalspacesbecausetheyarepartofanotherconstruct.,PassageFourCLanguage,UnitTwoSoftware,
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