So the greenhouse is a multi-variable coupled, time-varying and non-linear complicated system.

因此，温室环境是多变量耦合、时变、非线性的复杂系统。

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The coupled boundary integral equations and their reduced forms are deduced for hybrid mode problems, and these equations are discreted into a system of linear algebraic equations by moment method.

导出了关于混合模的耦合边界积分方程组及其退化形式，并用矩量法将之离散为齐次代数方程组，从而得波导的混合模传输常数；

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The phenomenon of stochastic resonance of an over-damped second-order linear system driven by coupled white noise is investigated.

研究了耦合白噪声作用下的二阶过阻尼线性系统中的随机共振现象。

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