unsteadiness

• 1. 不定常: time dependent | Unsteady
• 2. 不定常数: indeterminate constant
• 3. 不定常法: time dependent method | non stationary method | time-dependent method

更多释义

• 1.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.
  dict.yoduao.com
• 2.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.
  dict.yoduao.com
• 3.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.
  dict.yoduao.com

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