A new approach to extract weak periodic signal from strong noise is proposed to pick up some weak signals in the fault diagnosis of mechanical equipment.

为提取机械设备故障诊断中的某些微弱信号，给出一种新的提取强背景噪声中微弱周期信号的方法。

youdao

His pick-up truck had apparently developed a fault in Angoor Adda, near South Waziristan's main town of Wana.

BBC: Pakistan militant Mullah Nazir killed 'in drone attack'

On the double-fault, Murray had to stop as he was about to serve to pick up a feather that had fallen on the court.

NPR: Djokovic Beats Murray For 3rd Straight Aust. Title