模拟指示仪表和数字仪表由哪些部分组成？各部分的作用？两者区别？
参考答案：
①模拟指示仪表由转换装置和指示装置两部分组成。
转换装置：是把输入信号装换成标准的模拟量信号；
指示装置：是把标准的模拟量信号转换成仪表指针指示的相对应的测量数值
②数字显示仪表一般是由模数转换、非线性补偿及标度变换三大部分组成。
③两者区别：数字显示仪表多了一个模数转换（A．/D．转换）。
| 完形填空。 | |||
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