WebSQL is a SQL－like ___(71)___ language for extracting information from the web. Its capa
WebSQL is a SQL-like ___(71)___ language for extracting information from the web. Its capabilities for performing navigation of web ___(72)___ make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a ___(73)___ , all the pages that can be reached from a given URL through ___(74)___ that match a pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common ___(75)___ Interface.
(71)A. query B. transaction C. communication D. programming
(72)A. browsers B. servers C. hypertexts D. clients
(73)A. hypertext B. page C. protocol D. operation
(74)A. paths B. chips C. tools D. directories
(75)A. Router B. Device C. Computer D. Gateway
文中( 3 )处正确的答案是( )。 A.A－B－FB.A－B－C－E－F－DC.A－E－CD.A－ 计算机类考试 2020-05-26 …
与逆波兰式“abc*＋－d*ef－ －”对应的中缀表达式是(27)。A.－(a*b＋c－d*e－f) 计算机类考试 2020-05-26 …
A.(－d|d)*E(－d|d)d*|(－d|d)d*.d*(ε|E(－d|d)d*)B.(－d|d 计算机类考试 2020-05-26 …
中缀表达式A－(B＋C／D)×E的后缀形式是(41)。A.ABC＋D／×E－B.ABCD／＋E×－C 计算机类考试 2020-05-26 …
A.(－d|d)d*E(－d|d)d*|(－d|d)*.d*(ε|E(－d|d)d*)B.(－d|d 计算机类考试 2020-05-26 …
A.(－d|d)d*E(－d|d)d*|(－d|d)d*.d*[ε|E(－d|d)d*]B.(－d| 计算机类考试 2020-05-26 …
修青藏铁路要测A．B两地的高度差,因地形情况,不易测出,我们在AB两点间找到合适的四个点,D．E． 数学 2020-07-06 …
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已知向量a≠e，|e|＝1，对任意t∈R，恒有|a－te|≥|a－e|，则[]A．a⊥eB．a⊥(a 数学 2020-11-02 …
A^2－E为什么等于（A－E）（A+E）.而不等于（A+E）（A－E） 数学 2020-12-01 …