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He acknowledges this, ruefully, but also points out how easy it now is for anyone to get online access to good statistics and find out for themselves what is happening.

他遗憾地承认了这一点，但又指出，现在任何人都可以很容易地在网上找到好的统计数据，自己搞清楚事情的真相。

In or-der to find out a course of SARD which suits the special conditions of China, the con-struction of 29 experiment and demonstration plots were carried out throughout the coun-try according to different ecotypes and different economic characteristics in different re-gions in the period of "The Eighth Five-Year Plan".

为探索一条符合我国国情的农业与农村持续发展道路，在国家科委的支持下，农业部区划司、中国农科院区划所等单位从1992年开始，进行中国可持续农业与农村发展研究项目，并在全国不同类型区选建了29个地、县做为试验示范区。

To find out the present conditions and the problems of community health service carried out by enterprises hospitals,27 enterprises hospitals were investigated through simple random sampling.

为了解目前企业医院开展社区卫生服务的状况，发现存在的问题，采用单纯随机抽样方法调查了四川省27家企业医院。

In this thesis, I summarize the theoretical calculation method, applied scope and notice of siphonic drainage system, and point out the advantage of siphonic drainage system compared with gravitation drainage system. In the archetype experiment study of siphonic drainage tube, I adopt different tube diameter and different structural height to survey the drainage volume and press in different place. I observe various kinds of flow state, and get chief factors which influence hydraulic peculiarity of system as the tube diameter or structural height, and find out the relevance of factor to flux. I apply CFD Fluent software and adopt standard k-ε model and RNG k-ε model, then use finite volume method and second-order upwind scheme to discrete numerical model, while coupling numeration of velocity field and press is based on SIMPLE. In the numerical simulation of curved part of tube, siphonic drainage tube experiment system and multi-outlet siphonic drainage system, I make research on internal velocity and press of system in different project condition by changing the tube diameter of curved part, negative press value in tube export and improving the quantity of water gutter. This thesis first adopts a method of combining archetype experiment and numerical simulation to study the siphonic drainage system, test and verify the validity of experiment and numerical simulation, and makefurther study on system, it solves the problems of limited testing conditions, and has a logical results, it can provide a valid method for optimizing and designing the drainage tube-net system. The conclusion have referring value for study and design of siphonic drainage system.

本文首先对虹吸式排水系统理论计算方法、适用范围以及注意事项做出总结，并分析了虹吸式排水系统的优势；再对虹吸式排水管道进行原型试验研究，采用不同管径不同立管高度，对系统流量、管道压强进行量测，观察了各种工况下的流态，对其水力特性进行研究分析，找出影响水力特性的落差、管径主要因素以及与排水量的关系；进一步应用计算流体力学Fluent软件，采用标准κ-ε模型与RNGκ-ε模型，计算过程应用有限体积法和二阶迎风格式对数值模型进行离散，速度和压力的耦合采用SIMPLE算法，分别对系统弯管段、虹吸排水管道试验系统、多斗虹吸式排水系统进行数值模拟分析，通过改变管段弯头处半径、管段出口负压值、增加雨水斗数对不同工况下系统内部的速度和压力进行研究；本文首次采用结合原型试验与数值模拟相结合的方法，对虹吸式屋面雨水排水系统进行研究，试验与模拟相互验证，并进行拓展，很好地解决了虹吸式屋面雨水排水系统由于试验条件限制问题，结果正确合理，为排水管网系统设计和优化研究提供了有效的方法，对工程设计有较好的参考价值。

The first stage is screen experiment. A 24-1 Fractional Factorial Design and resolution IV experiment is used to find out which main effect and interaction effect have obvious influence on the precision positioning of feeding table by these four factors. The Minitab program including Half Normal Plot, Pareto Chart, and ANOVA is applied to diagnose obvious effects. The second stage is optimization experiment. The fitness of regression model is obtained by using CCD of RSM with statistical hypothesis testing, regression analysis, lack-of-fit testing, and residual analysis. The optimum values can be found out by using response surface plot and contour plot.

在第一阶段为筛选实验采用24-1部分因子实验，解析度为IV，求出这4个因子主效应及交互作用哪些会对进给平台定位精度有显著的影响，在分析方面使用统计软体Minitab做初步分析，应用了半常态机率图、柏拉图与变异数分析来判断出显著因子与交互效应显著，第二阶段优化实验采用反应曲面法的中央合成设计，搭配统计检定、回归分析、缺适性检定(Lack-of-Fit)、残差分析来取决回归模式之合适性，最后根据反应曲面图及等高线图求出最佳值做验证实验。

In order to find out the students' opinions on this practice, the Students' Union carried out a survey.

为了解学生们对这种做法的看法，学生会进行了一次调查。

In order to find out an accurate and practical soil water movement simulation method for infiltration irrigation management, in this paper, investigations of field subirrigation using a rubber-based porous pipe were carried out, and Green-Ampt Model and Philip Method for solving one-dimensional Richard Equation were used respectively to simulate the soil water movement in perpendicular and horizontal directions.

为了寻找一种准确实用的土壤水分运动模拟方法用于指导田间渗灌，该文对一种橡塑渗灌管田间渗灌过程进行监测，并采用Green-Ampt积水入渗模型和一维水平吸渗模型Philip解法分别对渗灌过程中土壤水分在垂直和水平方向的运动进行模拟，通过与田间实测值对比，检验模型的适用性。

If your hair is thinning or falling out, you are probably anxious to find out why.

如果您的头发稀疏或下降时，你可能希望找出原因。

Li3 Lang2 Ye2 is tinily burnt dry, trample "ground" of have no entity, he goes toward a dicey direction to come out several step and try the exit of nightmare of find out this water.

李琅琊微微地焦燥起来，踩着并没有实体感的"地面"，他往不确定的方向走出几步，试图找出这水之梦魇的出口。

Deal with deviations, find out root cause, point out and trace corrective action and preventive action, report detailed information and recommendations to OQ manager.

追踪偏差处理，调查问题根源，提出和落实纠正预防措施，向OQ经理汇报并提供建议。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。