The entry for 'polygraph' is cross-referred to the entry for 'lie detector'.

词条polygraph下注有指向词条lie detector的参照项。

《牛津词典》

Conventional 'polygraph' lie detector tests involve wiring up subjects to equipment that measures blood pressure, pulse, heart rate, respiration and electrical skin activity.

传统的‘测谎仪’测谎包括通过设备上得诸多连线监测血压、脉搏、心率、呼吸和皮肤电活动。

youdao

He worked on improving the efficiency of the polygraph the lie detector and conducted some 15, 000 tests with the instrument.

ECONOMIST: Robert Borkenstein