结合相对时间坐标系的概念，提出了一种改进的指数预测模型及其分级预测方法，并对双曲线模型进行了推广。
According to the concept of relative time coordinate system, a new exponent model and its grade predicting method are proposed.
本文提出的功效指数法建立了综合评价环境污染控制设施的分级标准。
The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in this article.
对该分级标准及回归模型的拟合检验结果表明，当蚜情指数小于80、抽样量在100株以上时，对蚜量的估计可达90%的准确度。
Test of goodness of fit proved that when the index of aphid degree was less than 80 and the samples were more than 100, the quantity estimation accuracy was as high as 90%.
术前术后肺功能、呼吸困难指数分级对比。
The pulmonary functions and dyspnea index degree were compared.
通过回归分析的方法对标准分级道路功率谱密度与相应国际平整度指数之间的关系进行了研究。
The correlation between the standard classified road power spectral density (PSD) and international roughness index (IRI) was discussed by using regressive analysis.
本文以重庆市为例，对九大城区各种地质灾害进行分级评价，根据本地区实际情况，得到灾害发生的频率和严重度，从而计算出灾害指数。
This paper assesses grades of different geologic hazards in Chongqing. According to practical situation, the hazard index can be calculated through hazard frequency and hazard severity.
结论细胞核形态和DNA指数分析可作为星形细胞瘤分级诊断的参考指标之一。
Conclusion The nuclear shape and DNA index can be used as reference parameters for astrocytoma grade diagnosis.
利用梅雨强度指数的标准值，应用其指数均方差建立了强度状态的分级标准。
The standard and standard deviation of plum rain intensity index are used to setup the classification standard of plum rain intensity state.
目的探讨星形细胞瘤的增殖活性，及星形细胞瘤的DNA倍体特性、细胞周期分布和增殖细胞核抗原标记指数(PCNA -LI)与病理分级的关系。
Objective the proliferative activities of astrocytomas and the relationship among DNA ploidy character, cell cycle distribution, PCNA-LI and pathological grades were investigated.
本文提出的功效指数法建立了综合评价环境污染控制设施的分级标准。
The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in thi...
使用GI值能明显区分养分含量差异很小的不同种类牧草，这说明分级指数是评价牧草营养价值的最权威指标。
Differentiation of a variety of forage with minor nutrient discrepancy by using GI can indicate that GI is an authoritative index evaluating forage quality.
使用GI值能明显区分养分含量差异很小的不同种类牧草，这说明分级指数是评价牧草营养价值的最权威指标。
Differentiation of a variety of forage with minor nutrient discrepancy by using GI can indicate that GI is an authoritative index evaluating forage quality.
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