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flow area
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【机】 流动面积
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详细解释：
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以下为句子列表：
英文: Abstract: According to theoretical analysis and experiments on the throttle control system,the quantitative relationship among the speed of executive element , the flow area of the throttle and the load is determined.
中文: 文摘:本文通过对进油路节流调速系统的理论分析与试验研究，阐明了执行元件的运行速度与节流阀的通流面积以及负载之间的定量关系。
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英文: Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient ζ changes obviously.
中文: 实验结果表明：在湍流区域内流速（量）不变时，改变管件开度，阻力系数ζ变化较显著；改变流量，管件开度不变时，ζ变化不大。
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英文: Contrast-test shows that bonnet with grooved ball chamber ispreferred: ball drift mobility 0.-0.mm, flow area ratio 0.-0. (maximum 0. 0) and the ball drops down to seat swiftly.
中文: 经对比,槽形球室型阀罩的性能较好,阀球飘忽量0.～0.mm,流道面积比0.～0.,最大达0. 0,阀球下落迅速。
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英文: A Review of Microbial Ecology in Low-Temperature Diffuse Flow Area of Modern Submarine Hydrothermal System
中文: 现代海底热液场低温弥散流区微生物生态的研究进展
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