去年12月，美国北卡罗来纳州的罗利市将一处室内公共停车场当作LED的试验场地（下面两张照片是前后对比效果）。
Last December Raleigh, N.C., turned one floor of a municipal parking garage into a testing ground for LEDs (see the before-and-after photos at cree.com/LEDcity).
每一只不起眼的抽屉也是美丽的；前后左右四个面用燕尾榫依次连接，前面和两侧分别使用差别明显的木料，以造成对比的效果：浅色橡木可以配紫檀木，桃花心木可以配白蜡木。
Each humble drawer, too, was beautiful, with sides and front in deliberately contrasting woods linked by dovetails: light oak into rosewood, mahogany into ash.
为了进一步论证工程方案的泥沙输移的效果，还进行了整治前后定床输沙对比试验。
In order to prove the effects of the sediment transport of the project scheme, comparative experiments of fixed bed sediment transport before and after regulation were made.
介绍了改进后供胶装置的结构及工作原理，并对改进前后的使用效果进行了对比。
The glue applicator was improved. The structure and principle were introduced, and the performance before and after improvement was compared.
对出现的问题进行分析探讨，提出改造措施，并对改造前后的效果进行了对比。
Analyzes and discusses the problem occurs and points out the modification measures and make comparison before and after modification.
通过对处理前后重污油质量指标对比，说明离心分离对重污油有良好的处理效果。
With the comparison of quality targets fore and aft treatment, the effect shows that centrifugal separation technology is appropriate for heavy sump oil.
开发了评估软件对其在实际系统中滤波前后效果进行了对比研究。
The filtering effect in the practical system has been contrastively investigated with the exploited evaluating software.
简要述说了催化剂喷雾干燥系统的工艺流程，装置改造前后对比情况，自动控制水平，以及改造后的效果。
The process of catalyst spraying dryer system are simply introduced in the paper, the comparison results, control level and effects are described as well.
同时奉上了一块地材上蜡前后对比的样块，客户可以直观的判断上蜡前后的效果。
Follow the same time to build a wax around the block-like contrast, customers can directly before and after the judgment wax results.
方法通过对60例药物治疗的高血压患者的同时，从疾病知识、生活方式、心理状态等方面给予健康教育护理，并对护理前后的临床效果作对比分析。
Methods The effect of health education and nursing for 60patients with drugs were compared in diseases knowledge and life style and mentation with no education.
为了形象的说明滤波效果，代码执行后可以看到滤波前后滤波后的对比图像。
Filtering effect to the image description, code execution before and after filtering can be seen after comparison of the filtered images.
为了论证加固方案的合理性，验证加固效果，本文还进行了加固前后的非线性有限元对比计算分析和现场对比试验。
Before and after the strengthening, nonlinear FEM analysis and on-site experiments were implemented, which verified the rationality of the strengthening scheme and the effect of the strengthening.
介绍了高浓度污水处理的工艺改型及运行效果的前后对比。
Introduce the process remodel of high concentration sewage treatment and the caparation of the efficiency.
采用跨时期、跨市场、反事实的方法对规制前后的效果进行对比验证，利用计量经济学模型检验规制的解释力度。
Using the cross time, the cross market, the counter-fact method observe the effect under regulation or not and using metrological model to carry on an examination.
通过拥挤收费政策实施前后车流量、环境、商务活动的对比，归纳了拥挤收费政策的实施效果。
The paper then outlines the implementation results of this policy on traffic flows, environment, and commercial activities through a before-and-after comparison.
通过对比改进前后的分析结果，改进后的模型在应力分布、变形状况、自身重量、罐体体积方面效果明显。
By comparing of the analysis results before and after the optimization, the outcome of optimized distribution of stress and deformation conditions, deadweight and tank's volume were far better.
通过分级教学前后学生的成绩对比，可以看出实行分级教学，产生了良好的效果。
Compared the results of the traditional teaching with teaching in different levels, the latter has a better effect on the student learning.
通过改造前后对比，说明主井箕斗的改造效果良好，具有推广应用价值。
By contrast, it is showed that the performance of the improved cage has a good result and worth popularization.
最后，对于方案的实施及效果进行跟踪总结，以及流程改进前后的效果进行对比。
Finally , take a follow up action and summarize these improvement actions implementation status , as well as the efficiency to organization by this .
然后提出一种基于历史数据的估计器改进方法，并对改进前后估计器的缺陷预测效果进行对比分析。
An improved empirical-based estimator was proposed and the performance of both original and improved estimators was compared and analyzed.
对介孔材料催化剂进行酸性调变改性，并对改性前后的介孔材料催化剂进行脱烯烃效果对比及XRD和IR分析。
The mesoporous material was modified to adjust its acidity, and said materials prior and post to modification was characterized by XRD and FT-IR.
论文对所用到的图像预处理的方法都进行了详细的分析，并给出了它们的算法框图或部分源代码，也对比了各种方法处理前后的效果。
The methods of image processing included gray transformation, threshold segmentation, logic calculation, spatial filter and so on. They were all analyzed in great detail.
论文对所用到的图像预处理的方法都进行了详细的分析，并给出了它们的算法框图或部分源代码，也对比了各种方法处理前后的效果。
The methods of image processing included gray transformation, threshold segmentation, logic calculation, spatial filter and so on. They were all analyzed in great detail.
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