In particular, expressions of flapping coefficients are derived, including the effect of variable induced velocity distribution but in terms of blade parameters and flight parameters only.

特别是在挥舞系数的表达式中，考虑了诱导速度的变化，但直接与桨叶参数和飞行参数有联系。

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This paper applies a method of linear continuous variable feedback to the control of a kind of voltage collapses induced by reactive power changes, which only USES a single variable to feed back.

应用连续变量线性反馈对一类由负荷无功功率变化引起的电压崩溃进行控制，仅用单个变量即可实现。

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In this article, it is pointed out that calculating induced electric field caused by variable magnetic field in constant velocity by analogical method is a simple method.

用类比方法来计算以恒定速率变化的磁场产生的感应电场是一个简便的方法。

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Looking beyond logical changes to performance on products and services in terms of innovation, style and pricing, this new crisis-induced variable is key to our business and redefines the breakdown of the marketing mix.

FORBES: The Marketing Mix Is Changing. Are You Ready?