该合同期限为三年，要求BAE系统公司开发一种低成本的接收机原型，能够探测出何时卫星受到了雷达的瞄准。
The three-year contract calls for BAE Systems to develop a low-cost receiver prototype that detects when satellites are targeted by radar.
另外，发往学校用于升级Linux系统的硬盘也出现了大量的故障，而且为这套系统提供软件的供应商也无法开发出能满足学校要求的低成本软件。
Disks that were sent out to schools were faulty and producers of the software appear to have difficulty supplying the schools with simple software that meets their needs.
为了降低成本，缩短设计、制造、安装调试时间，开发了标准冲击造型系统。
For the sake of reducing cost, shortening period of design, manufacture, in - stalling and debugging, standard impact molding system has been exploited.
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