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?
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?
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