英语高手帮忙翻译一下啊！很急!

Papers from a sample survey of awareness in daily life and society in some areas of the application areas discussed. First, the paper discusses a sample survey of the characteristics and practical significance; Second, from a sample survey of commonly used methods, scope of application, , and other aspects of their role gave a detailed presentation, and then several of the major sampling methods from the mean, variance, Sampling error for comparison and analysis so as to give each survey methodology and the scope of application should use attention. Paper to a sample survey in the daily application as an example, its economic fields. Respectively cluster sampling survey on the plains of green, sampling method in various economic sectors of statistics as an example. A sample survey discussed practicality and the use of sampling methods than other similar advantages. Finally, summed up the sample survey has some limitations, because this error. it is not possible to generalize. sample analysis results can be used as reference only.

The paper from sample investigation understanding and its in daily life and social certain domains aspects and so on application launched the discussion. first to elaborate the sample investigation characteristic and the practical significance; Next from aspect and so on sample investigation commonly used method, applicable scope, function has made the detailed introduction to it, then to several main sample investigations method from the average value, the variance, sampling by mistake the inferior aspect carries on the comparison and the analysis, when obtains each investigation method the applicable scope and the use should pay attention question. The paper take sample investigation in the daily life application as an example, elaborated it in the economical domain application. respectively take the group sampling in the plain afforestation investigation application, the sample investigation method in the diversified economies ingredient statistics application as the example, elaborated the sample investigation usability and the use sample investigation compares other similar methods the superiority. Finally, summarized the sample investigation to have the certain limitation, because of this method existence error, therefore could not draw conclusions from a part After the sample investigation analysis result only may take the reference.