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脉动压力风洞试验
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脉动压力风洞试验
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航空器风洞试验
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pressure fluctuation test in wind tunnel
脉动压力风洞试验
研究非定常流动现象诱导出的飞行器表面脉动压力规律的试验。是在研究飞行器的抖振特性,特别是大型运载火箭结构的抖振响应基础上发展起来的一种试验技术。
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fruit pruning machine
fruit quality and safety
fruit ripening and after-ripening
fruits
fruits and nuts pickup machine
fruits and vegetables production structure
fruit set
fruit setting percentage
fruit shape index
fruits hardness tester
fruit soften
fruit storage
fruit tea
fruit tree
fruit tree asexual hybridization breeding
fruit tree clonal rootstock
fruit tree container seedling
fruit tree cross breeding
fruit tree cultivation system
fruit tree culture
fruit tree intermediate stock
fruit tree introduction
fruit tree planting density
fruit tree planting technique
fruit tree ploidy breeding
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