Under what condition do your eyes water?

眼睛在什么情况下流泪?。

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This paper demonstrates what boundary axioms are and the condition under which boundary axioms equal the axioms of open sets.

首先给出边界公理的定义，然后证明边界公理与开集公理的条件等价。

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What this thesis studies is to protect the security mining method under the condition of thickness collapsible loss.

本文所研究的就是巨厚湿陷性黄土层条件下保护地表安全的开采方法。

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What if a serious form of asthma or heart condition is discovered that could cause sudden death or stroke under the extreme conditions of professional competition?

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