结论平均等效声级可以作为评价和比较工业企业的噪声危害程度的综合指标。
Conclusion the average equivalent sound level maybe as comprehensive index to evaluate the noise hazard in industrial enterprises.
而以板底拉应力等效为指标的基层顶面当量回弹模量值能较为真实地反映基层刚度和厚度变化对板底拉应力的影响。
But the principles of stress equivalence could accurately reflect the influence on the cement concrete pavement stress by the modulus and thickness of semi-rigid type base.
作用于合成孔径雷达图像中的相干斑抑制时，不论从视觉效果还是等效视数和比值图等衡量指标上都取得了较好的效果。
More significance, this technique is used for restraining speckle noise in synthetic aperture radar images successfully in equivalent number of looks and ratio images.
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