secondary data
次级资料;二手数据;二级信息
2026-03-22 08:16 浏览次数 19
次级资料;二手数据;二级信息
Secondary data Centre第二数据中心
secondary data set ground次数据集组
Selection of secondary data二手数据挑选
External secondary data资料
secondary source data第二手资料
secondary y data次级资料
secondary maker data第二手资料
Secondary data files次要数据文件
secondary data refers to previously collected data from internal and external sources.
中级的数据从内在的和外部的来源提及先前收集的数据。
in chapter four, i talked about how do we collect and collate the data used in sedan marketing system, studied the discrimination and the excerption of primary data and secondary data problem.
在第四章,主要是研究在轿车营销数据库系统中,所需数据的分类以及收集、整理等方面的内容,研究了初级数据、次级数据的甄别选录等问题。
pattern 2: simple inquiry with secondary data views
模式2:对辅助数据视图的简单查询
consequently this evidential base which is largely of a secondary data nature cannot be taken seriously as evidence of policy and practice actions.
因而,这一基本上是二手资料性质的证据库就不能当作政策与实践的依据。
control the database of dimensions to 1gb, file of a data is enough, if have secondary data file, advocate the index that there is file of administrative secondary data in data file.
对于1gb左右规模的数据库,一个数据文件就够了,如果有次要数据文件,主数据文件中有管理次要数据文件的指针。
the information may be available in the form of secondary data and primary data.
信息可以通过二手资料和原始资料的形式而得到。
when using many data document, advocate data file is used at storage system object and watch, secondary data file is used at memory user data and index.
采用多个数据文件时,主数据文件用于存储系统对象和表,次要数据文件用于存储用户数据和索引。
methods qualitative study was combined with secondary data collection.
方法定性研究方法和现有资料收集分析。
researchers usually start their investigation by examining secondary data to see whether their problem can be partly or wholly solved without collecting costly primary data.
调研人员开始调查时总是先收集次级资料以判断问题是否部分或全部解决了,而不是先去收集成本很高的初级资料。
add the workflow task schema to the task form. as a secondary data source.
给任务表单添加工作流任务架构作为辅助数据源。
this pattern, shown in figure 10, extends the other patterns by enabling a user to update primary and secondary data sets or to create new records that are persisted on back-end systems.
如 图10 所示,这个模式扩展了其他模式,它允许用户更新主数据集和辅助数据集,或者创建在后端系统上的持久化新记录。
the reasons for using secondary data include the relative low cost, the easy availability and the limited time taken by searching for it.
使用中级的数据理由包括比较的低成本,容易的有效和在藉由寻找它被采取的有限时间。
this paper presented a new method for quantitatively analyzing the secondary data - base of wpi.
提出一种建立wpi专利文献二次数据库的新方法并对专利文献进行计算机量化分析。
industry documents were analysed alongside primary and secondary data on the tobacco industry in south korea.
对韩国的烟草业文件进行了分析,同时,对关于烟草业的主要数据和次级数据进行了分析。
pattern 3: inquiry with aggregated secondary data views
模式3:对聚合的辅助数据视图的查询
you avoid the tendency with secondary data to 「dredge」 for research questions instead of developing your research questions based on real knowledge deficits.
你避免辅助数据的趋势,「挖掘」研究问题,而不是基于实际知识的不足来发展你的研究问题。
from the secondary data analysis, we conclude that if consider the usage of tag questions as an intention to be polite, this intention may convey various pragmatic forces under different contexts.
经过分析间接语料,我们得出结论,如果把使用附加疑问句看作一种礼貌的意图,在不同语境下,这些意图会表达不同的语用功能。
a secondary data analysis was completed on a random sample of youth committed and detained by a juvenile justice system in the northeast united states.
辅助数据分析,完成了一个青年随机抽样和承诺,在美国东北部少年司法制度拘留。