Whereas the conceptual model is largely independent of implementation details, the physical data model is tightly bound to the table structure and options available in a particular database application.是什么意思_Whereas the conceptual model is largely independent of implementation details, the physical data model is tightly bound to the table structure and options available in a particular database application.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句