gōng / chéng / shī / yòng / yí / qì / cè / liáng / diàn / lù / zhōng / de / diàn / liú / jié / guǒ / bú / dào / yì / wēi / ān / péi工程师用仪器测量电路中的电流,结果不到一微安培。The engineer measured the current in the circuit and found it was less than one microampere.