Getting a good night's sleep has long been known to cement the day's memories, moving them from short-term storage into long-term holding, but new research shows that it's not automatic.

长期以来，人们一直认为充足的睡眠能巩固当天的记忆，使短期记忆转化为长期记忆。但一项新的研究表明，这种转化不会自动实现。

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Automatic disconnection in case of exceeding holding forces.

超过持有力量的情况下自动断开。

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The paper introduced an automatic level holding device composed of a liquid tank supported by a spring.

介绍一种由弹簧支承液槽构成的自动保持液面高度的装置。

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A militia group in Ohio posted a video on the Internet of a man with an altered voice holding a semi-automatic assault rifle.

VOA: standard.2009.08.17

Mr Smith, who served for 10 years as an RAF aircraft engineer, said he suffered bruising to his body and a shoulder injury as he wrestled with Donovan who was holding the SA80 automatic rifle at waist level.

BBC: Hampshire & Isle of Wight