Based on the modified nonlinear algebraic stress model for turbulent flow, a closed non-linear multiple time scale model is established.

在双时间尺度紊流模型的基础上，对线性涡粘性模型进行了修正，建立了封闭的非线性双时间尺度紊流模型。

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According to the multiple time-scale of wind speed, the nonlinear mechanical model is built for WECS.

根据风速的多时间尺度特性，建立风能转换系统非线性机理模型。

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This paper presents the numerical method for solving the rate equations of electron's average occupation probabilities by using multiple-time-scale perturbation theory.

本文利用多时标微扰论，对束缚电子占据概率方程组提出一种数值解法。

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Experts said there may not be time to carry out the multiple independent audits that large-scale construction projects like stadiums typically require to ensure safety.

WSJ: World Cup 2014, Brazil, Maracan? Stadium: Brazil's Rush to Get Ready for the World Cup

This process has already begun, catalyzed by a sense of urgency in the face of multiple global crises and social technologies that link hearts, minds and hands in real time on an unprecedented scale.

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