What is the difference between a peak area comparison and a quantitative limit for related substances?
相关物质峰面积比较和定量限度有什么区别？
It is the basic way that goes from case study to area study, and to area comparison in the studies of basis of the rural policy.
由个案调查，到区域研究，再到区域比较，是农村政策研究的基本进路。
For comparison, the bottom image shows the same area on March 17, 2007.
下图是2007年3月17日的图像，大家可以对比一下。
By comparison, mobile phone masts can cover a huge geographic area comparatively cheaply, and although their connection speed will be low, it can be applied almost immediately.
相形之下，手机信号具有覆盖范围广、成本低的优点，虽然速度会有些慢，但用手机几乎可以随时随地上网。
A comparison of the two images reveals that the slide buried several roads, but the area did not appear to be populated.
比较两幅图片，可以看出滑坡淹没了一些道路，但是那些地方似乎没有居民。
Migration typically occurs from a structurally low area to a higher area because of the relative buoyancy of hydrocarbons in comparison to the surrounding rock.
典型的运移作用出现在由构造低的地区到构造高的地区，因为和周围岩石相比，烃类有相对的浮力。
Your project may involve a comparison of systems we have read about, an application of database techniques to a system you are familiar with, or be a database-related project in your research area.
专题可能涉及读过的系统比较，所熟悉的数据库技术在系统的应用实例，或是你研究领域中与数据库相关的专题。
The comparison experiments were conducted with 11 domestic and overseas alfalfa varieties in the Hebei Lowland Plain Area.
在河北低平原区对引进的11个紫花苜蓿品种进行了三年的比较试验。
Genome rearrangement is an important area of computational biology, and bases the comparison analysis of genomes at the level of genes.
基因组重组是计算生物学的一个重要研究领域，是基因组在基因水平比较分析的基础。
It is shown that the optimal hydraulic section for compound canal has smaller section area and narrower breadth of water surface than trapezoidal canal by calculation and comparison.
并通过算例比较证实，复合断面水力最佳断面的面积和水面宽度比梯形水力最佳断面的小。
Then the accuracy comparison, rationality test and significance test of the forecasting models are systematically presented. Finally, the research directions of this area are briefly outlined.
系统阐述了预测模型精确度比较、合理性检验、显著性检验等过程，指出了该领域的研究方向。
This paper describes two methods for calculating field strength in the shadow area, the comparison between results calculated and those measured shows that they quite accord with each other.
本文介绍了计算阴影区场强的两种方法，并与实测场强值进行了比较，证明计算值与实测值非常接近。
Through the analysis of the expressway living area sewage quality and the comparison of different sewage treatment methods, the paper provides the user a suitable way to treat such sewage.
通过对高速公路生活区污水特点的分析及各种生活污水处理工艺的比较，向人们提供一种适合高速公路生活区污水处理的工艺。
The results of comparison test of the water saving efficiency of drip irrigation afforestation in the waste mountain at Kuerle area show: drip irrigation saves water by 66.
对库尔勒地区荒山滴灌造林节水效率进行了对比试验，结果表明，滴灌较管道灌节水66。
The results of comparison test of the water saving efficiency of drip irrigation afforestation in the waste mountain at Kuerle area show: drip irrigation saves water by 66.6% than pipe irrigation.
对库尔勒地区荒山滴灌造林节水效率进行了对比试验，结果表明，滴灌较管道灌节水66.6%。
As the area has complex geological conditions and well-developed faults, the selection and comparison of schemes for bridge sites through geological exploration seem especially important.
该区地质情况复杂，断裂构造十分发育，因此地质勘探对桥址方案的比选显得尤为重要。
This dissertation researches on the pedestrian system in the core area of modern railway station by the methods of literature review, investigation research, and comparison research.
本文采用了文献研究、调查研究、对比研究等方法，对当代铁路客运站核心区域的步行系统进行了研究。
It was also suggested that the comparison of the surface area should be based on per volumetric adsorbent.
提出了对于定容吸附储存，吸附剂比表面大小的比较应以单位体积吸附剂的比表面为基准。
This thesis intends to identify the area of difficulty and predict the degree of difficulty on the basis of the comparison between English and Chinese from the perspective of markedness.
本文试图从标记理论的角度对比英汉两种语言，从而确定习得难度大的区域并预测困难程度。
The comparison of carotid IMT and area and volume of plaque was statistically significant before and after the treatment(all P<0.01).
治疗前后颈总动脉IMT、斑块面积、体积差值的比较也有显著统计学意义（P均<0.01）。
This paper introduces the concepts and functions of the floor area, and makes the comparison of the new standard and old regulation in calculating the floor area of the building works.
介绍了建筑面积的概念和作用，并对计算工程建筑面积的新《规范》与旧规则进行了比较。
Texture is an important item of image information, texture-based image retrieval has been an active research area, and the similarity comparison of texture features is a key to image retrieval.
纹理是图像的重要属性，基于纹理特征检索图像是当前的研究热点，对图像的纹理进行相似性比较是进行图像检索的关键。
Due to the vast land of Inner Mongolia, the Inner Mongolia formed into "Eastern Area" and "Western Area" and the author will do the sub-regional comparison of these four universities.
内蒙古自治区土地广袤，所以把内蒙古分为“东部区”和“西部区”，分区域对四所高校进行比较。
He first started to conduct a typology classification on the artefacts, and then he made a comparison between the artefacts yielded in the ritual area of Jinsha site and Sanxingdui site.
首先他对遗物的类别与年代进行了研究，接着，他将金沙遗址祭祀区出土的遗物与三星堆器物坑出土的遗物进行了比较研究，两地的器物有明显的共同性但又具有差异性。
A control method is brought up that is most fit for auto area keeping in comparison with several other control plans.
最后本文通过对多种区域保持的控制方法进行比较，得到一种相对最节省能量的控制方法。
With the comparison of the equivalent design, the proposed HFCG has lower power consumption, faster lock-in time and a smaller die area.
比同档次设计具有更小的芯片面积、更低的功耗和更短的锁定时间，达到了较高的性能指标。
So that it is necessary to make economic comparison between nuclear and coal power stations built in this area.
为此需要比较一下在这些地区建造核电站和煤电站的经济性。
Finally hydromining method, an appropriate method suitable for use in the area, were found through comparison between various mining methods.
通过多种采煤方法的试验、比较后，找到了一种对复杂煤层适应性较强的采煤方法——水力采煤方法。
Last, through a comprehensive comparison of recovery Level, pressure and polymer dosage of three kinds of programs, best injection programs of test area of high concentration have been identified.
最后，综合对比三种方案的采出程度、压力和聚合物用量，确定高浓度试验区的最佳注入方案。
Last, through a comprehensive comparison of recovery Level, pressure and polymer dosage of three kinds of programs, best injection programs of test area of high concentration have been identified.
最后，综合对比三种方案的采出程度、压力和聚合物用量，确定高浓度试验区的最佳注入方案。
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