如果你偶然地有左边一扇门微开的，系统注意你与一不同的声音。

If you've accidentally left a door ajar, the system alerts you with a different sound.

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这次没有钥匙了，门是微开的。

This time there was no key and the door was slightly open.

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密西西比河斯开奈门急流密西西比河63至57海里的沉淀研究，水力微模型调查。

Sedimentation Study of the Mississippi River Schenimann Chute Mississippi River Mils 63 to 57, Hydraulic Micro Model Investigation.

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