图示结构各杆截面相同，各杆温度均匀升高t，则( )。

A: B: C: D:

定时器T311的作用是（）

A:UE监测无线链路失败的等待时间 B:UE监测到无线链路失败后转入RRC_IDLE状态的等待时间 C:UE等待RRC连接响应的时间 D:UE等待RRC重建响应的时间

根据协议，T311定时器的默认值为（）。

A:100ms B:200ms C:500ms D:1000ms

下面程序段的输出结果是______。
class Test
public static void main (String args[])
MyThread t=new MyThread（　）;
t. displayOutput("t has been createD");
t. start（　）;


Class MyThread extends Thread
public void displayOutput(String s)
System. out. println(s):
)
public void run（　）
displayOutput("t is running.");

A:t has been created. B:t has been created. C:t is running. D:t is running. E:编译出错

下面程序段的输出结果是______。
class Test
public static void main (String args[])
MyThread t=new MyThread（　）;
t.displayOutput("t has been created");
t．start（　）;


class MyThread extends Thread
public void displayOutput(String s)
System.out.println(s);

public void run（　）
displayOutput("t is running");

A:t has been created B:t is running C:t has been created D:t is running E:编译错误

下面程序段的输出结果是
classTest
public static void main(Stringargs[])
MyThread t=new MyThread（　）；
t．displayOutput(”t has been createD) ”)；
t．start（　）；


Class MyThread extends Thread
public void displayOutput(Strings)
System．out．println(S)；

public void run（　）
displayOutput(”t is running．”)；

A:thas been created．
t is running. B:thas been created C:t is running． D:编译出错

下面程序段的输出结果是
class Test
public static void main(String args[])
MyThread t=new MyThread（　）；
t．displayOutput("t has been createD) ")；
t．start（　）；


class MyThread extends Thread
public void displayOutput(String s)
System．out．println(s)；

public void run（　）
displayOutput("t is running．")；

A:t has been created． B:t has been created．
t is running． C:t is running． D:编译出错

下面程序段的输出结果是( )。
class Test
public static void main(String args[])
MyThread t=new MyThread（　）;
t.displayOutput("t has been createD");
t.start（　）;


Class MyThread extends Thread
public void displayOutput(String s)
System.out.println(s);
public void run（　）
displayOutput("t is running.");

A:t has been created. B:t has been created.
T is running. C:t is running. D:编译出错

U=311sin（314t- 15°）伏，则 U=（ ）伏。

A:220∠- 195° B:220∠1950° C:311∠-15° D:220∠- 15°

已知 e=311sin (314t+5 °)V，其相量 E=（ ）。

A:311∠5° B:220∠5° C:220∠+185° D:220∠+175°