计算表明，定常解是确实存在的。
The existence of a steady-state solution is shown by numerical experiments.
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.
在很长的一段时间内，人们对上述流态的了解仅限于定常的或时间平均的流态。
However only steady and mean flow state have been studied for a long period of time.
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.
我常做一个梦，不定时，没有一定的客观条件。
I often have a dream, uncertain, there is no certain objective condition.
别人吵架爱插嘴，一定鼻子常流血。
Those who in quarrels interpose, must often wipe a bloody nose.
患者常伴有一定的功能障碍，其中学习记忆障碍是常见的并发症。
The impairment of the ability of learning and memory is common.
患者常伴有一定的功能障碍，其中学习记忆障碍是常见的并发症。
The impairment of the ability of learning and memory is common.
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