Thermometer or liquid level measuring instrument .

温度计或液面测量仪表。

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Adding current and voltage sourcing capabilities to a measuring instrument provides an extra degree of versatility for many low level measurement applications.

在测量仪器上附加电流和电压源功能，为各种低电平测量应用提供了额外的灵活性。

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Investment officer for nearly 20 million, put GPS receivers, water level, total station, flat instrument more than 10 sets of measuring instruments.

投入人员近20人次，投入GPS接收机、水准仪、全站仪、平板仪测量仪器10多台套。

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It involves an instrument sending a sound into the baby's ear and measuring the level of returned sound which calculates the level of hearing function.

BBC: Babies' hearing problems undiagnosed