..., 如此递增下去直至满足全部系统需求。 4螺旋模型:是在每个阶段之前都增加了风险分析过程的快速原型模型。 5喷泉模型(Fountain model):是一种以用户需求为动力,以对象为驱动的模型,主要用于描述面向对象的软件开发过程。
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On this condition, the paper put forward a new electric wave transmition model in the microcell , which based on ray tracing method of Virtual Fountain Tree.
在总结前人工作的基础上,本文提出了一种新的基于“虚拟源树”射线跟踪技术的微蜂窝小区的电波传播模型。
This paper makes research on the sonobuoy optimization arrangements using the arrangement optimization model of fountain.
针对声纳浮标的均匀布放问题,借鉴喷泉最优布放模型对此进行了研究。
Please send us samples and your lowest prices for your fountain pens, model 464-b. Samples and prices must reach us no later than 15th of this month.
请将你们464 - B型自来水笔的样品寄给我们,并注明最低价格。样品和价格至迟须于本月15日以前寄到我处。
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