人口统计学为你提供了理解和解决这些问题的工具。
Demography gives you the tools to understand and to address these problems.
了解人口、采样和统计意义的基本知识，将有助于您理解有哪些可能性，更好地理解和解释结果的含义。
Knowing the basics of populations, sampling, and statistical significance will help you to understand what's possible, and to better understand and interpret what the results mean.
由于大量联邦临时统计调查员的雇佣和解雇，非农数据在过去几个月被严重歪曲，因此私有经济雇佣情况对经济是否健康有更好的指示作用。
The total has been heavily distorted in recent months by the hiring then firing of temporary federal census workers, so private employment is a better indicator of the economy's underlying health.
据官方统计数据，很多30岁以下的夫妇(大多是80年后的独生子女)的选择是离婚，而不是和解。
According to official statistics, many couples aged under 30 - largely made up of "only children" born after 1980, - are opting to sever the marriage knot, instead of reconciling their relationships.
社会调查研究人员开发问卷，统筹进行调查，分析数据，并编译和解释社会问题和政策领域的统计数据。
Social survey researchers develop questionnaires, co-ordinate and conduct surveys, analyse data, and compile and interpret statistics on social issues and policy areas.
通过大量检测试验和解剖，得出统计规律数据，从而得到裂纹长度、宽度与深度之间的对照表，对裂纹深度的评估有一定的参考价值。
Statistic data were obtained by tests and dissections and the relationships between crack length, width and depth were given as a reference for crack depth evaluation.
培训员工和供应商在统计过程控制，先进的质量规划和解决问题的能力。
Training employees and suppliers in Statistical Process Control, Advanced Quality Planning and problem solving.
大量的统计资料进行了编辑，以便随时可提取和解答。
A large amount of statistical data have been compiled so that they can be drawn and answered at any time.
本文主要采取频率统计分析法，着眼于研究和解决下列问题：这四种句法错误在各子语料库中的分布情况；
This paper is set to answer the following research questions: How do the four types of syntactic errors distribute in each sub-corpus?
本文主要采取频率统计分析法，着眼于研究和解决下列问题：这四种句法错误在各子语料库中的分布情况；
This paper is set to answer the following research questions: How do the four types of syntactic errors distribute in each sub-corpus?
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