Kē / xué / jiā / yòng / chuán / gǎn / qì / cè / liáng / jī / bō / tōng / guò / guǎn / dào / shí / de / yā / lì / biàn / huà科学家用传感器测量激波通过管道时的压力变化。Scientists use sensors to measure pressure changes as a shock wave passes through a pipe.