標(biāo)準(zhǔn)解讀

《GB/T 4092-2008 信息技術(shù) 程序設(shè)計(jì)語言COBOL》與《GB/T 4092-1992》相比,在多個(gè)方面進(jìn)行了更新和完善,以適應(yīng)技術(shù)發(fā)展和國(guó)際標(biāo)準(zhǔn)的變化。主要變化包括:

  • 標(biāo)準(zhǔn)內(nèi)容上,《GB/T 4092-2008》更加全面地覆蓋了COBOL語言的最新特性,反映了自1992年以來該領(lǐng)域內(nèi)發(fā)生的重大進(jìn)展。
  • 對(duì)于數(shù)據(jù)類型的支持有所擴(kuò)展,增加了對(duì)更多現(xiàn)代數(shù)據(jù)結(jié)構(gòu)的支持,比如XML處理能力,這使得使用COBOL開發(fā)的應(yīng)用程序能夠更好地與當(dāng)前的信息技術(shù)環(huán)境相集成。
  • 在編程規(guī)范和語法規(guī)則方面也進(jìn)行了調(diào)整,引入了一些新的語法元素,并且優(yōu)化了某些已有功能的實(shí)現(xiàn)方式,旨在提高代碼的可讀性和維護(hù)性。
  • 為了促進(jìn)跨平臺(tái)兼容性,《GB/T 4092-2008》還強(qiáng)調(diào)了對(duì)于不同操作系統(tǒng)之間移植性的考慮,這對(duì)于希望利用COBOL進(jìn)行大規(guī)模企業(yè)級(jí)應(yīng)用開發(fā)的企業(yè)來說尤為重要。
  • 另外,新版標(biāo)準(zhǔn)加強(qiáng)了錯(cuò)誤處理機(jī)制,通過提供更詳細(xì)的異常報(bào)告來幫助開發(fā)者更快地定位并解決問題。
  • 最后,《GB/T 4092-2008》中包含了更多關(guān)于性能優(yōu)化的最佳實(shí)踐指南,鼓勵(lì)采用高效算法和技術(shù)以提升應(yīng)用程序的整體執(zhí)行效率。

這些改變體現(xiàn)了中國(guó)國(guó)家標(biāo)準(zhǔn)在保持與國(guó)際接軌的同時(shí),也在努力滿足國(guó)內(nèi)用戶的具體需求。


如需獲取更多詳盡信息,請(qǐng)直接參考下方經(jīng)官方授權(quán)發(fā)布的權(quán)威標(biāo)準(zhǔn)文檔。

....

查看全部

  • 現(xiàn)行
  • 正在執(zhí)行有效
  • 2008-07-28 頒布
  • 2009-01-01 實(shí)施
?正版授權(quán)
GB/T 4092-2008信息技術(shù)程序設(shè)計(jì)語言COBOL_第1頁
GB/T 4092-2008信息技術(shù)程序設(shè)計(jì)語言COBOL_第2頁
GB/T 4092-2008信息技術(shù)程序設(shè)計(jì)語言COBOL_第3頁
GB/T 4092-2008信息技術(shù)程序設(shè)計(jì)語言COBOL_第4頁
GB/T 4092-2008信息技術(shù)程序設(shè)計(jì)語言COBOL_第5頁
已閱讀5頁,還剩339頁未讀 繼續(xù)免費(fèi)閱讀

下載本文檔

GB/T 4092-2008信息技術(shù)程序設(shè)計(jì)語言COBOL-免費(fèi)下載試讀頁

文檔簡(jiǎn)介

犐犆犛35.060

犔74

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

犌犅/犜4092—2008

代替GB/T4092—1992

信息技術(shù)

程序設(shè)計(jì)語言犆犗犅犗犔

犐狀犳狅狉犿犪狋犻狅狀狋犲犮犺狀狅犾狅犵狔—犘狉狅犵狉犪犿犿犻狀犵犾犪狀犵狌犪犵犲狊—犆犗犅犗犔

(ISO/IEC1989:2002,NEQ)

20080728發(fā)布20090101實(shí)施

中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局

發(fā)布

中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

犌犅/犜4092—2008

目次

前言!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Ⅶ

1范圍!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

2規(guī)范性引用文件!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

3對(duì)本標(biāo)準(zhǔn)的符合性!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

3.1符合性實(shí)現(xiàn)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

3.2符合的編譯組!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4

3.3符合的運(yùn)行單元!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4

3.4符合編譯組與符合實(shí)現(xiàn)的關(guān)系!!!!!!!!!!!!!!!!!!!!!!!!!!!4

3.5符合運(yùn)行單元與符合實(shí)現(xiàn)的關(guān)系!!!!!!!!!!!!!!!!!!!!!!!!!!4

4術(shù)語和定義!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!4

5描述技術(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!19

5.1一般格式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!19

5.2規(guī)則!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!21

5.3算術(shù)表達(dá)式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!21

5.4整數(shù)操作數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!21

5.5非形式化描述!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!22

5.6正文中的連字號(hào)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!22

5.7條款表述的助動(dòng)詞形式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!22

6基準(zhǔn)格式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!23

6.1指示符!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!23

6.2固定形式的基準(zhǔn)格式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!24

6.3自由形式的基準(zhǔn)格式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!26

6.4邏輯轉(zhuǎn)換!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!27

7編譯指示設(shè)施!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!28

7.1正文處理!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!28

7.2編譯指令!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!33

8語言基礎(chǔ)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!43

8.1字符集!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!43

8.2本地環(huán)境!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!46

8.3詞匯元素!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!47

8.4引用!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!53

8.5數(shù)據(jù)描述和表示!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!68

8.6數(shù)據(jù)的作用域和生命周期!!!!!!!!!!!!!!!!!!!!!!!!!!!!!74

8.7運(yùn)算符!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!77

8.8表達(dá)式!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!78

8.9保留字!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!91

8.10上下文有關(guān)字!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!93

8.11內(nèi)部函數(shù)名稱!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!95

犌犅/犜4092—2008

8.12編譯指令字!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!96

8.13外部倉(cāng)庫!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!96

9輸入輸出、對(duì)象和用戶定義函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!97

9.1文件!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!97

9.2屏幕!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!106

9.3對(duì)象!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!108

9.4用戶定義函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!113

10結(jié)構(gòu)編譯組!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!113

10.1編譯單元和運(yùn)行時(shí)模塊!!!!!!!!!!!!!!!!!!!!!!!!!!!!!113

10.2源單元!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!114

10.3包含的源單元!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!114

10.4源元素和運(yùn)行時(shí)元素!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!114

10.5COBOL編譯組!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!115

10.6結(jié)束標(biāo)志!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!117

11標(biāo)識(shí)部!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!118

11.1標(biāo)識(shí)部結(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!118

11.2CLASSID段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!119

11.3FACTORY段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!120

11.4FUNCTIONID段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!120

11.5INTERFACEID段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!120

11.6METHODID段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!121

11.7OBJECT段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!122

11.8OPTIONS段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!122

11.9PROGRAMID段!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!123

12環(huán)境部!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!124

12.1環(huán)境部的結(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!124

12.2配置節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!124

12.3輸入輸出節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!131

13數(shù)據(jù)部!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!141

13.1數(shù)據(jù)部的結(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!142

13.2顯式和隱式屬性!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!142

13.3文件節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!142

13.4工作存儲(chǔ)節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!145

13.5局部存儲(chǔ)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!145

13.6連接節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!146

13.7報(bào)表節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!147

13.8屏幕節(jié)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!148

13.9常量款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!148

13.10記錄描述款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!149

13.1177層數(shù)據(jù)款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!149

13.12報(bào)表描述款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!149

13.13報(bào)表欄描述款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!150

13.14數(shù)據(jù)描述款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!152

犌犅/犜4092—2008

13.15屏幕描述款!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!155

13.16數(shù)據(jù)部子句!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!158

14過程部!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!208

14.1過程部結(jié)構(gòu)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!208

14.2聲明!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!211

14.3過程!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!211

14.4過程語句和句子!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!211

14.5執(zhí)行!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!214

14.6語句的公共短語和特征!!!!!!!!!!!!!!!!!!!!!!!!!!!!!225

14.7參數(shù)和返回項(xiàng)的符合性!!!!!!!!!!!!!!!!!!!!!!!!!!!!!228

14.8語句!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!232

15內(nèi)部函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!293

15.1函數(shù)類型!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!293

15.2函數(shù)變?cè)?!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!293

15.3返回值!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!294

15.4日期轉(zhuǎn)換函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!295

15.5函數(shù)歸納!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!295

15.6ABS函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!300

15.7ACOS函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!300

15.8ANNUITY函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!300

15.9ASIN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!301

15.10ATAN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!301

15.11BOOLEANOFINTEGER函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!301

15.12BYTELENGTH函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!301

15.13CHAR函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!302

15.14CHARNATIONAL函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!302

15.15COS函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!303

15.16CURRENTDATE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!303

15.17DATEOFINTEGER函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!304

15.18DATETOYYYYMMDD函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!304

15.19DAYOFINTEGER函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!304

15.20DAYTOYYYDDD函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!305

15.21DISPLAYOF函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!305

15.22E函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!306

15.23EXCEPTIONFILE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!306

15.24EXCEPTIONFILEN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!306

15.25EXCEPTIONLOCATION函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!307

15.26EXCEPTIONLOCATIONN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!307

15.27EXCEPTIONSTATEMENT函數(shù)!!!!!!!!!!!!!!!!!!!!!!!308

15.28EXCEPTIONSTATUS函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!308

15.29EXP函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!308

15.30EXP10函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!308

15.31FACTORIAL函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!309

犌犅/犜4092—2008

15.32FRACTIONPART函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!309

15.33HIGHESTALGEBRAIC函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!309

15.34INTEGER函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!310

15.35INTEGEROFBOOLEAN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!310

15.36INTEGEROFDATE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!310

15.37INTEGEROFDAY函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!311

15.38INTEGERPART函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!311

15.39LENGTH函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!312

15.40LOCALECOMPARE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!312

15.41LOCALEDATE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!313

15.42LOCALETIME函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!313

15.43LOG函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!314

15.44LOG10函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!314

15.45LOWERCASE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!314

15.46LOWESTALGEBRAIC函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!315

15.47MAX函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!315

15.48MEAN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!316

15.49MEDIAN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!316

15.50MIDRANGE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!316

15.51MIN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!317

15.52MOD函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!317

15.53NATIONALOF函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!318

15.54NUMVAL函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!318

15.55NUMVALC函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!319

15.56NUMVALF函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!320

15.57ORD函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!321

15.58ORDMAX函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!321

15.59ORDMIN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!321

15.60PI函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!322

15.61PRESENTVALUE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!322

15.62RANDOM函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!322

15.63RANGE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!322

15.64REM函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!323

15.65REVERSE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!323

15.66SIGN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!323

15.67SIN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!324

15.68SQRT函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!324

15.69STANDARDCOMPARE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!324

15.70STANDARDDEVIATION函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!325

15.71SUM函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!325

15.72TAN函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!326

15.73TESTDATEYYYYMMDD函數(shù)!!!!!!!!!!!!!!!!!!!!!!!326

15.74TESTDAYYYYYDDD函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!326

犌犅/犜4092—2008

15.75TESTNUMVAL函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!327

15.76TESTNUMVALC函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!327

15.77TESTNUMVALF函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!328

15.78UPPERCASE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!328

15.79VARIANCE函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!329

15.80WHENCOMPILED函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!329

15.81YEARTOYYYY函數(shù)!!!!!!!!!!!!!!!!!!!!!!!!!!!!330

16標(biāo)準(zhǔn)類!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!330

16.1BASE類!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!331

溫馨提示

  • 1. 本站所提供的標(biāo)準(zhǔn)文本僅供個(gè)人學(xué)習(xí)、研究之用,未經(jīng)授權(quán),嚴(yán)禁復(fù)制、發(fā)行、匯編、翻譯或網(wǎng)絡(luò)傳播等,侵權(quán)必究。
  • 2. 本站所提供的標(biāo)準(zhǔn)均為PDF格式電子版文本(可閱讀打?。?,因數(shù)字商品的特殊性,一經(jīng)售出,不提供退換貨服務(wù)。
  • 3. 標(biāo)準(zhǔn)文檔要求電子版與印刷版保持一致,所以下載的文檔中可能包含空白頁,非文檔質(zhì)量問題。

最新文檔

評(píng)論

0/150

提交評(píng)論