問題詳情

【題組】 ⑵請描述查詢時的運作(operation),以查詢字詞(query term)q1、q2 符合邏輯條件(logical condition)q1 AND q2 為例說明。

參考答案

答案:B
難度:適中0.600619
統計:A(15),B(194),C(67),D(32),E(1)

用户評論

【用戶】曹議

【年級】小六上

【評論內容】dominate支配, 統治, 控制

【用戶】Ian Huang

【年級】高二上

【評論內容】The history of electronic mailing goes all the way back to 1969 when a professor at UCLA sent the first message via computer to a colleague at Stanford. The computer which sent the first message actually crashed right after the message was sent, but the message did reach its (39) at Stanford. E-mail was born. Today, e-mail (40) communication. In 2002, the Internet provider AOL alone reported handling over 42 million e-mails each day. When the number of e-mails worldwide is (41) to the number of pieces of mail sent each day, you will find that e-mail usage is more than seven times higher than ...