| 内容提要(EN): |
Acoustics;Adaptation;Audibility;Audiobility;Audiometers;Audiometry;Competence;Continuation training;Customer satisfaction;Customers;Definitions;Further education;Hearing ability tests;Hearing aids;Hearing disability;Measuring instruments;Operating rooms;Personnel;Persons with defective hearing;Quality assurance;Quality management;Quality requirements;Sales premises;Services;Specification (approval);Supply;Testing;Tools;Training;Works equipment |