本文研究幂律非牛顿流体在环管内的不定常旋转流。
This paper studies power law non-Newtonian fluid relative flow in an annular pipe.
建立了在多井条件下考虑井筒储存和表皮效应的煤层气不定常渗流模型。
A new coalbed methane transient seepage flow model with multi-wells is developed by considering the wellbore storage and skin effect.
潮汐、风暴潮对波浪的作用是通过其产生的不定常水深与流场实现的；水深与流速对波向的影响很小。
The sea level and current velocity have an effect on wave height, and the wave direction modulation is small.
常发短信是心神不定的征兆、自恋，还是两者都是？
Is Constant Texting a Sign of Insecurity, Narcissism or Both?
经济混乱常使股市摇晃不定。
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.
我们常强调我们的货品要顺应顾客的需求，但顾客需求却是不定时，今天他们需要买些海鲜，也可能明天。
I always say we have to have everything that the customer wants, but maybe they don't want it today. Maybe they don't want it tomorrow.
作孙子的常把他祖父犹疑不定的试验看成是大自然固有结构的一个不可分割的部分。
The grandson accepts his grandfather's hesitating experiment as an integral part of the fixed constitution of nature.
一种疑虑的感情，常导致犹豫不定。
说不定王常盈那小子想开溜。
说不定王常盈那小子想开溜。
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