Other common causes include exposure to excessive noise, head and ear injury, ageing and the use of ototoxic drugs.
其他常见病因包括接触过量的噪音、头部和耳朵受伤、衰老和服用耳毒性药物。
2
OBJECTIVE:To study hearing injury and damage of workers under noisy condition in Xi'an Aero-Engine (XAE) so as to provide scientific foundation for controlling operation noise.
目的：了解西航公司噪声作业工人听力损伤及损失情况，为噪声作业治理提供科学依据。
3
Objective: to study the effects of otologic drill noise on functions and morphology of the inner ears and investigate into the injury mechanism to the inner ears of guinea pigs.