Which of the following is not an environmental management principle?( ) A: PPP B: PP C: BPP D: UPP
Which of the following is not an environmental management principle?( ) A: PPP B: PP C: BPP D: UPP
峰峰值Upp=2[img=100x89]17869acbc356327.png[/img]U有效值。( ) A: 错 B: 对
峰峰值Upp=2[img=100x89]17869acbc356327.png[/img]U有效值。( ) A: 错 B: 对
18034ed6217d1c5.png如图所示,用Multisim仿真软件测量射极跟随器的输入(CH1)、输出(CH2)电压波形如图所示,下列哪个说法是错误的? A: 输入电压的振幅Up为1V B: 输出电压的峰峰值Upp为1.9V C: 输入电压信号的频率为1kHz D: 输入与输出电压波形相位反相
18034ed6217d1c5.png如图所示,用Multisim仿真软件测量射极跟随器的输入(CH1)、输出(CH2)电压波形如图所示,下列哪个说法是错误的? A: 输入电压的振幅Up为1V B: 输出电压的峰峰值Upp为1.9V C: 输入电压信号的频率为1kHz D: 输入与输出电压波形相位反相
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