By an ohmmeter ______ the instrument used to measure resistance.
举一反三
- ______ for measuring electric resistance, the ohmmeter is widely used in electrical engineering.
- A：This is so sensitive an instrument that it can measure a slight change in pressure.B：This instrument is so sensitive that it can measure a slight change in pressure.B句表达的语气强于A句
- The instrument ____ which we measure a body’s temperature is called a thermometer.
- Quick ratio is used to measure .
- ______ is used to measure development disparities.