The design goal is to obtain some better comprehensive targets, such as cost price, load balance, waiting time and efficient of systems.

设计目的是取得在成本代价、负载均衡、等待时间以及系统效率等综合指标上的优化。

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The architects were forced to split the completion of the building into phases, and to adapt the design to be be more time and cost efficient.

建筑师被迫分建筑建设过程成为不同的阶段，使设计适应更长的时间和成本效益。

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Responsible to design, develope, and implement efficient, cost-effective methods for testing and troubleshooting systems.

负责设计，开发和实施能够保证高效生产的的测试系统。

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National and local government agencies need to be supported to develop their capacity to design and implement low cost appropriate systems that are efficient, sustainable, managed by local communities, targeted at those most in need and that address multiple needs of the poor.

FORBES: CEO of WaterAid America David Winder Calls For More Public Education On Water Issues