秦始皇帝陵博物院文物修復(fù)專家蘭德?。ㄓ乙唬┰谥笇?dǎo)技術(shù)人員運(yùn)用超聲波儀器測(cè)量秦俑胎體的密度（8月23日攝）。[新華社記者 王毓國(guó) 攝]

Lan Desheng (1st, R) guides technicians to measure the density of the painted Terracotta Warriors with an ultrasonic device at the Emperor Qinshihuang's Mausoleum Site Museum in Xi'an, northwest China's Shaanxi Province, Aug. 23, 2023. (Xinhua/Wang Yuguo)