电容式传感器的优点主要有测量范围大、（）、（）、机械损失小、结构简单，适应性强。
参考答案：灵敏度高；动态响应时间短
Sometimes they may play to passers-by in the street or subway so that they can earn some______ money for themselves or to pay for their instruments.
A．certain
B．extra
C．various
D．unusual
产品就地加工
