它使用定量数据和数学模型作为分析工具，研究这些人口在过去、现在和未来的情况。
It studies these populations in the past, present and future using quantitative data and mathematical models as tools of analysis.
它使用定量数据和数学模型作为分析工具，研究这些物体在过去、现在和未来的数量。
It studies these populations, in the past, present and future, using quantitative data and mathematical models as tools of analysis.
作为一种新型河工建筑物，桩柱透水丁坝对局部水流的影响亟需可靠的定量研究。
As a new fashion river regulation building, it is necessary to research the effect of pile permeable groins to local flow quantitatively.
对离析控制效果的定量评价，特别是表面离析作为沥青路面施工质量评价指标的研究还非常欠缺。
It is lack of quantitative assessment of control effectiveness, especially the research on surface segregation as indicators of quality assessment is still very lacking.
在总结前人研究成果的基础上，提出本文中将要用到的衡量出口竞争力的指标体系，作为下文的定量分析基础。
Based on the results of previous studies, it proposes measuring index system of export competitiveness, as a basis for quantitative analysis below.
采用定量遥感技术及斜率法，以全球植被指数MODISNDVI数据作为数据源，对宁夏地区2000—2004年期间的植被指数变化幅度及变化趋势进行了研究。
Based on MODIS NDVI, this paper studied the variation trend of vegetation index in the years of 2000 to 2004 in Ningxia area using quantitative remote sensing technique and slope method.
研究结果为鸭GAPDH作为内参基因用于鸭相关基因定量表达分析奠定了基础。
The results of this study will provide basis for GAPDH used as a reference gene to analyze the duck gene quantitatively.
论文选择目前暂无研究的塑料包装西式火腿作为研究对象，采用气质联用法对火腿中的邻苯二甲酸酯类增塑剂进行定性定量分析。
No research paper has chosen the plastic packaging Ham for the study, using GC on the ham phthalate plasticizers qualitative and quantitative analysis.
结论作为脑电信号非线性定量分析的一种研究方法，双谱分析可显示出常规脑电分析时无法显示的有价值的高阶信息。
ConclusionBeing a quantitative method of non-Gaussianilty and nonlinearity for EEG study, the bispectral analysis can give more useful high-order information.
因此，可以作为对多种具有模糊和非定量化特性的社会事物认知差异研究的理想统计方法。
Thus, they can be used as the ideal statistical methods towards researches on the understanding differences of the multi indistinct and non-quantitative social things.
方法对13例戴软衬垫全口义齿的病人进行口腔念珠菌和链球菌数量变化的定量研究。9例戴普通树脂全口义齿病人作为对照组。
Methods Take rinse samples from 13 cases of patients with soft liner complete dentures. 9 cases using acrylic resin complete dentures served as the control group.
通过定量研究发现，作为经济不发达省份，江西省农村义务教育主要以转移支付为主，地方自有财力为辅。
By empirical method, we find that, as an undeveloped province in China, the provision of compulsory education in rural Jiang mainly rely on transfers rather than the own revenue of local governments.
通过全面分析前人的研究成果，可以将隧道围岩相对变形3%作为划分隧道内是否发生大变形的定量评价指标。
According to the research findings made by others, the tunnel strain of 3% can be adopted as a qualitative classification criterion to judge whether there is a severe squeezing problem.
近年来，很多研究者发现上述持家基因的表达水平并不稳定，利用它们作为内标来定量并不准确。
But in recent year, many researchers observed that the expression of housekeeping gene was not stable at all conditions.
并选择定量型社会科学研究方法中运用广泛的“指数”方法，作为系统评价我国公民社会情况的研究方法；
Then it chooses the widely index method in the field of the social scientific research method to be a method of systematically evaluate the civil society's condition of China.
软件可靠性作为衡量软件质量的重要特性，其定量评估和预测已成为人们关注和研究的焦点。
The researches have already focused on the quantitative evaluation and forecast of the software reliability, which is the important criterion in checking the software qualities.
软件可靠性作为衡量软件质量的重要特性，其定量评估和预测已成为人们关注和研究的焦点。
The researches have already focused on the quantitative evaluation and forecast of the software reliability, which is the important criterion in checking the software qualities.
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