Changing world politics and military emphasis has brought considerable pressure on space agency financial budgets and a shift to increasing commmercialisation of space ativities. Budgetary pressure. coupled withthe rapid dcvancement of commercail and consumer micro-electronics, has catalysed the use of smaller and more computationally capable satellites as a "faster, cheaper, better' means of realising space missions-complementrary to conventional large satellite systems. Affordable small statllites, however, require a very different approach compared with established space engingeering techniques. Since 179, the University of Surrey (UK) has pioneered cost-effective satellite engineering tchniques for small statllites, and has developed a cseries of highly sophisticated, yet inexpensive. "microsatellites"-built for sround US
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机译：不断变化的世界政治和军事重点给航天局的财政预算带来了巨大压力，并转向了将太空活动商业化。预算压力。伴随着商用和消费微电子技术的快速发展，催化了使用更小，更具有计算能力的卫星作为“更快，更便宜，更好”的手段来实现与传统大型卫星系统互补的太空飞行任务。自179年以来，英国萨里大学（University of Surrey）率先开发了具有成本效益的小型卫星技术卫星工程技术，并开发了一系列高度精密但价格便宜的微卫星技术。为美国制造
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