要诊断咳嗽变异性哮喘是有些困难的，因为咳嗽可能是唯一的症状，而且咳嗽本身可能表现为支气管炎或伴流涕症状。
Cough-variant asthma is somewhat difficult to diagnose because the cough may be the only symptom, and cough itself may appear to be bronchitis or cough associated with postnasal drip.
这份指南的目的是帮助你开始应用心率变异性(HRV)来优化自己的健康和表现。
The intention of this guide is to help you get started optimizing your health and performance with Heart Rate Variability (HRV).
本文通过对泉州民俗的考察，认为其主要特征表现为传播性、区域性和变异性。
Through investigating the folk customs in Quanzhou, the author points out the main features of folk customs are dissemination, regional characteristics and variability etc.
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