这一层使用不同的技术暴露现有企业资源和操作系统，这样它们就可以被业务组件使用。
This layer USES various technologies to expose existing enterprise resources and operational systems so they could be used by business components.
在印度，最高端的私有企业开始向那些将电脑操作系统以及呼叫中心业务外包至本地的最优秀的西方公司学习成功经验。
In India, top private companies started learning from the best practices of the Western companies that outsourced their computer systems and call centers there.
在电力企业的综合信息管理系统中，必须从网络、操作系统、应用程序和业务需求等各方面来保证系统的安全。
To ensure systems security must think over network, operating system, application and operation demand etc in the synthetical information management systems of electric power corporations.
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