在密封门关闭的情况下，容易产生内外压力不平衡，将会威胁到库体围护结构的安全性。

Under the condition that the sealing door is closed, the internal and external pressure is not balanced, which will threaten the safety of the building envelope.

youdao

综合国内外的研究资料发现：研究对象年龄跨度不平衡，针对老年人的研究比较多，对青少年和儿童的研究比较少。

Combined with foreign and domestic research data, we found: Subjects age span is imbalance, there are more research on the elderly and less on young people and children relatively.

youdao

综合国内外的研究资料发现：研究对象年龄跨度不平衡，针对老年人的研究比较多，对青少年和儿童的研究比较少。

Combined with foreign and domestic research data, we found: Subjects age span is imbalance, there are more research on the elderly and less on young people and children relatively.

youdao