To allow research in this field, accurate and standardised methods should be utilised to measure airway alterations in disease and following therapy. 在这一领域进行研究，需要使用精确和标准化的检测方法用以测定在疾病中和治疗后气道的改变。
One of the ICAO's chief activities is standardization, the establishment of international standards, recommended practices and procedures covering the technical fields of aviation. 标准化是国际民用航空组织的一个重要活动，即建立航空技术领域内的国际标准，建议措施和程序。
