方法：根据CEREC 3d椅旁修复系统的特殊性，对修复前的准备、诊疗中的护理配合、修复后的护理进行总结。

Methods According to the specificity of CEREC 3d, restoration system, we summarized the pre-prosthetic preparations, nursing works in the process, and care procedures after restoration.

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文章研究人员与Eucalyptus和Amazon的安全工作人员一起合作，在文章发表前就修复了这些漏洞。

The researchers worked with security personnel from Eucalyptus and Amazon and fixes were created before the paper was released.

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所以在最后三名宇航员回来前，如果不能尽快找出并修复火箭异常，新的工作人员将不能前往轨道实验室。

So if the rocket anomaly isn't identified and fixed soon, a fresh crew won't be able to reach the orbiting lab before the last three spaceflyers head for home.

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