英语词汇“physical data independence”的读音、翻译、释义、用法及例句-语文网

词汇	physical data independence
释义	physical data independence 实体资料独立性指一种档案结构，资料的实体结构可以改变，但不影响档案的逻辑结构。
随便看	tabulating system tabulation tabulation character tabulator tabulator tabulator clear key tabulator gang clear key tabulator key tabulator mechanism tabulator set key Tabulator Setting tabulator stop TAC tac tac. tacamahac TACAN tace tacet tach tache tachina fly tachiol tachism tachisme

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