public class Key {  private long id1；  private long 1d2；  // class Key methods  }  A programmer is developing a class Key， that will be used as a key in a standard java.util.HashMap. Which two methods should be overridden to assure that Key works correctly as a key？（）

关键字序列为 （47，7，29，11，16，92，22，8，3，50，37，89，94，21），哈希函数为：Hash(key)=key mod 11，用拉链表处理冲突。

DPM8812有哪几种传感器（）

Usually low key is used for emphasis and contrast; mid key indicates an expected, neutral attitude; and low key provides low information.（）

客户可以自行登录U-key管理工具修改U-key密码。

对于哈希函数H(key)=key%13，被称为同义词的关键字是_______

For relation R where primary key contains multiple, no non-key attribute should be functionally dependent on a part of the primary key.This relation R is at least in

●For relation where primary key contains multiple attributes，no non-key attribute should be functionally dependent on a part of primary key．This relation R is at least in (66) .

For relation R where primary key contains multiple attributes,no non-key attribute should be functionally dependent on a part of the primary key. This relation R is at least in

●For relation where primary key contains multiple attributes，no non-key attribute should be functionally dependent on a part of primary key．This relation R is at least in (66) .

S/Key协议属于( )的内容。

有如下事件过程，当同时按下转换键Ctrl和功能键F6时，最后输出的信息是 Const ShiftKey=1 Const CtrlKey=2 Const Key_F5=&H74 Const Key_F6=&H75 Private Sub Text1_KeyDown(KeyCode As Integer，Shift As Integer) If KeyCode=Key_F5 And Shift=ShiftKey Then Print"Press Shift+F5" Elself Key Code=Key_F6 And Shift=CtrlKey Then Print"Press Ctrl+F6" End If End Sub