Through the correlation radar parameter relative error and the echo intensity absolute error curve analysis, when the radar parameter antenna gain surpasses 0.
通过对相关雷达参数的相对误差和回波强度绝对误差曲线分析得出,雷达参数天线增益优于0。
China's present HIV prevalence rate of 0 · 06% might seem low, but the absolute size of the population means large Numbers of people are infected with HIV.
中国现在的HIV感染率0.06%也许看起来很低,但是由于绝对人工基数太大,意味着有大量HIV的感染人群。
The distribution and variation of sand amount (A) , absolute and relative, at the height layer of 0-10 cm are qualitatively and quantitatively analysed.
本文对0—10厘米垂直高度层内沙量(包括绝对和相对)的分布及变化,进行了定性和定量分析。
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