exponential_decay_coefficient

1.By changing the cross sectional radius decay coefficient of the exponential metal horns, the longitudinal and torsional vibrations in the transducer could resonate at the same resonance frequency.
通过改变换能器前后指数型盖板的半径减编系数，得出了换能器中纵向与扭转两种振动模式同频共振的条件。
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2.We studied the density on Xinyu no. 9. The result showed that: 1 Economic yield density assume asymptote model; Economic coefficient density, exponential decay curve.
研究了新玉9号正交种的密度效应，结果表明：1经济产量—密度方程呈渐近线型，经济系数—密度方程呈指数下降型。
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