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在Eclipse等集成开环境中输入以下程序代码，注意标识符及关键字的使用。运行测试，修改语法问题并运行，记住此处问题的解决方式，后面的数据类型的转换会给出答案。public class Example01 {public static void main(String[] args) {byte b1 = 3;byte b2 = 4;byte b3 = b1 + b2;System.out.println("b3 = " + b3);}}
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可以在定义结构体类型的同时定义结构体变量
This section is an investigation of microphones , audio signals, and amplifiers, intended to develop your circuit design skills and giving you experience of using the oscilloscope to monitor signals in a circuit.
Microphone is a sensor that converts sound into an electrical signal. To get the microphone to work, you need to provide a voltage across it using a voltage divider circuit.
Build the circuit on breadboard. Measure the voltage between the microphone by a multimeter .
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