几乎每个现代操作系统都使用基于位屏蔽权限的模型，该模型基于主体和组按主体处理资源控制。
Nearly every modern OS makes use of a bit-masking permission-based model that deals with the control of resources by principals, based on principals and groups.
而使用电压脉冲来控制两个量位保持互扰和叠加状态的时间。
A voltage pulse is then applied to control how long the two qubits remain entangled and in their superpositional state.
第五位 苹果公司的低谷期开始 我们通常认为国际性的商业机器公司属于某种邪恶的力量，比如说微软，但是如今的商业市场之中又有哪些公司能够超越那些由怪才控制和以在利润为原则的科技公司？
We used to think International Business Machines Corp. was sort of sinister. Then it was Microsoft Corp.
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