hypobaric hypoxia examination

例句：

1. 1. The patient's condition required a thorough hypobaric hypoxia examination.
   患者的病情需要进行全面的低氧环境检查。
2. 2. During the examination, the doctor noticed a significant drop in blood oxygen levels.
   在检查过程中，医生注意到了血氧水平显著下降。
3. 3. The results of the examination were crucial for determining the cause of the patient's condition.
   检查结果对确定患者病情的原因至关重要。