Other key subcontractors on the project are BAE Systems Inc., Northrop Grumman Corp., and Raytheon Co.

该项目的其他关键子合同商有BAE系统公司、诺格公司和雷声公司。

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It is often necessary to map one business object (see Key landmarks — business objects) into another when coordinating heterogeneous systems, or even as part of normal business logic.

在协调异构系统时，甚至在正常业务逻辑的某个部分，常常需要将一个业务对象(请参见重要的里程碑——业务对象)映射成另一个业务对象。

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At the same time, many shops are migrating from HP and Sun to IBM Power Systems and need to understand the key concepts necessary to help ease the transition.

与此同时，许多环境正在从HP和Sun迁移到IBM Power Systems，这需要理解简化过渡过程所必需的关键概念。

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In practice, quantum-key-distribution systems rely on sophisticated optical equipment to prepare, transmit and detect the individual polarised photons that make up the key.

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Even the relatively tangible repercussions -- such as the loss of indigenous industrial capability and the attendant, increased reliance on foreign suppliers for components of key weapon systems -- are typically dismissed, or at least subordinated to the perceived greater good of developing globalized relationships with trading partners.

CENTERFORSECURITYPOLICY: Trading With The ��Enemy��

For instance, satellite operators can power-down key systems to prevent the possible damage to the systems.

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