Adding current and voltage sourcing capabilities to a measuringinstrument 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.