近年来，非定常问题受到了较大的关注。
In the recent years, more and more attention has been paid to unsteady problems.
在分析中计入了非定常项。
本文还根据计算结果分析了尾水管内非定常涡带产生和传播的原理。
In the meantime, the helical vortex rope in draft tube is analyzed by t...
动态失速风洞实验是一种非定常实验，其测量所得数据属于随机数据范畴。
The dynamic stall experiment is an unsteady aerodynamic test, whose experimental data are random.
文摘：动态失速风洞实验是一种非定常实验，其测量所得数据属于随机数据范畴。
Abstract: The dynamic stall experiment is an unsteady aerodynamic test, whose experimental data are random.
文摘：动态失速风洞实验是一种非定常实验，其测量所得数据属于随机数据范畴。
Abstract: The dynamic stall experiment is an unsteady aerodynamic test, whose experimental data are random.
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