A、AND>OR>NOT B、NOT>AND>OR C、NOT>OR>AND D、OR>AND>NOT
A、在基本檢索中自動(dòng)實(shí)現(xiàn)檢索詞、檢索詞對(duì)應(yīng)主題詞及該主題詞所含上下位詞的同步檢索 B、在基本檢索中自動(dòng)實(shí)現(xiàn)檢索詞、檢索詞對(duì)應(yīng)主題詞及該主題詞所含下位詞的同步檢索 C、在基本檢索中自動(dòng)實(shí)現(xiàn)檢索詞對(duì)應(yīng)主題詞及該主題詞所含下位詞的同步檢索 D、在基本檢索中自動(dòng)實(shí)現(xiàn)檢索詞、檢索詞對(duì)應(yīng)主題詞、副主題詞的同步檢索
A、Recently Added B、First Author C、Time Cited D、Last Author