This paper introduces the calculating method and procedure of the fuzzy similarity ratio in the environmental quality assessment of groundwater.

本文介绍模糊相似比在地下水环境质量评价中的计算方法及步骤。

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Finally, an improved algorithm of image quality assessment is presented, which is Vision and Weighted Signal-to-Noise Ratio (VWSNR).

最后提出了一种改进的评价方法——视觉加权信噪比模型(VWSNR)。

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Objective To evaluate the clinical value of tissue Doppler imaging(TDI) and pulmonary venous flow spectrum in the assessment of left ventricular diastolic function by E/A ratio.

目的通过组织速度图舒张时间、肺静脉频谱及二尖瓣环E/A比值评价冠心病患者左室舒张功能。

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For long-term investors the more important cost is the expense ratio, the annual assessment for overhead and portfolio management.

FORBES: Mutual Fund Survey