Objective to analyze the clinical value of peak myocardial velocity gradient (MVG) as a noninvasive indicator of left ventricular (LV) systolic or diastolic function.

目的探讨心肌速率阶差m VG评价左室舒缩功能的价值。

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The two-parameter MVG model yields the largest errors among the five models, and therefore is not suitable for describing soil particle-size distributions in Fengqiu area.

在这五种参数模型中，MVG模型的误差最大，不能精确描述封丘地区壤土类土壤的颗粒大小分布。

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According to the ETF Finder at ETF Channel, MVG makes up 2.71% of the Silver Miners ETF ( AMEX: SIL )which is trading lower by about 3.7% on the day Wednesday.

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