问题：
[单选题]传感器的动态特性是指传感器对随时间变化的输入量的响应特性。动态特性好的传感器,( )。
A、其测量的绝对误差与仪表的满量程之比小
B、其输出量随时间变化的曲线与被测量随时间变化的曲线一致或者相近
C、其输出量中与被测输入量无关的变化小
D、其动态数学模型可以用线性常系数微分方程来表示
参考答案：
B
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