The comprehensive study of complex effect of key stratum plays an important role in understanding control mechanism of key stratum in overlying strata within mining influence.

研究关键层的复合效应对深入揭示关键层在采动覆岩中的控制机理具有重要推动作用。

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Slope bioengineering has significant protective effect on ecology environment, yet vegetation has complex effect on the stability of slope, it plays both positive and negative roles.

植被护坡在改善生态环境方面的作用是显著的，但植被对坡体稳定性的影响却很复杂，积极与消极的作用共存。

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In tailrace tunnels of large hydropower station, a transient mixed free-surface-pressure flow may occur, which has a complex effect on the stability and transient of the power plant.

大型水电工程的尾水隧洞中可能会发生明满交替流动，给电站过渡过程带来很大影响，需要建立合理可行的明满交替流动数值计算模型。

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Fugue is a series of opposing melodies used to create a complex effect.

VOA: special.2009.03.01

The effect of such complex instruments was to paint a flattering picture of Parmalat's financial health.

ECONOMIST: Parmalat

Pain is notoriously responsive to placebo effect and some researchers believe surgery and other complex interventions may produce may produce the biggest placebo improvement of all.

FORBES: Medtronic's Back Surgery Woes Worse Than People Think

To date, no drug has been approved in its leaf form because plants contain a complex composition of compounds with uncertain pharmacologies, metabolisms, side-effect profiles, toxicologies, drug interactions, and no control of relative concentrations.

ECONOMIST: Egypt's challenge