• 2021-04-14 问题

    According to the video, a Millennial is a person born between early 1980s and early 2000s.

    According to the video, a Millennial is a person born between early 1980s and early 2000s.

  • 2022-06-01 问题

    操作冲击电压的标准波形是()波 A: ±200/2500 μs B: ±250/2500 μs C: ±250/2000 μs D: ±200/2000μs

    操作冲击电压的标准波形是()波 A: ±200/2500 μs B: ±250/2500 μs C: ±250/2000 μs D: ±200/2000μs

  • 2021-04-14 问题

    The project, ( ) by the end of 2000, will expand the city's telephone network to cover 1, 000, 000 users.

    The project, ( ) by the end of 2000, will expand the city's telephone network to cover 1, 000, 000 users.

  • 2022-05-31 问题

    中国大学MOOC: On Hollywood’s , there are more than 2000 Star Medals with Hollywood celebrity name.

    中国大学MOOC: On Hollywood’s , there are more than 2000 Star Medals with Hollywood celebrity name.

  • 2022-06-16 问题

    某调频波S(t)=20cos(2000πt+8sin400πt),信号的带宽为()

    某调频波S(t)=20cos(2000πt+8sin400πt),信号的带宽为()

  • 2022-06-06 问题

    ‎Which period of time did the music and singers in mainland China suffer a sharp eclipse?‍‎‍ A: In the late 1970s. B: In the late 1980s. C: In the late 1990s and early 2000s. D: In the 2010s.

    ‎Which period of time did the music and singers in mainland China suffer a sharp eclipse?‍‎‍ A: In the late 1970s. B: In the late 1980s. C: In the late 1990s and early 2000s. D: In the 2010s.

  • 2022-06-06 问题

    Which period of time did the music and singers in mainland China suffer a sharp eclipse? A: In the late 1970s. B: In the late 1980s. C: In the late 1990s and early 2000s. D: In the 2010s.

    Which period of time did the music and singers in mainland China suffer a sharp eclipse? A: In the late 1970s. B: In the late 1980s. C: In the late 1990s and early 2000s. D: In the 2010s.

  • 2022-06-06 问题

    The number of new online users increased at a rate of 3.8% a year or higher in the early 2000s. over the last several years, this growth rate has rose to about 30% a year in China.

    The number of new online users increased at a rate of 3.8% a year or higher in the early 2000s. over the last several years, this growth rate has rose to about 30% a year in China.

  • 2022-06-06 问题

    The 2000’s has been an era of great change in the movie and technology industries, and more change is sure to come quickly.

    The 2000’s has been an era of great change in the movie and technology industries, and more change is sure to come quickly.

  • 2022-06-16 问题

    如果要对信号[img=133x18]1802df8bddd8844.png[/img]进行采样并在接收端进行重建,则最低的取样频率等于_______。‍ A: 1000rad/s B: 2000 rad/s C: 500 rad/s D: 4000 rad/s

    如果要对信号[img=133x18]1802df8bddd8844.png[/img]进行采样并在接收端进行重建,则最低的取样频率等于_______。‍ A: 1000rad/s B: 2000 rad/s C: 500 rad/s D: 4000 rad/s

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