主要数据集大致相同。
可以通过从涉及的信息域中选择一些主要数据记录进行设计。
You design it by selecting a number of primary data records from the information domains to be covered.
他们的解决方案是把主要数据和这些数据的索引分离开来。
Their solution was to separate the primary data and indices to that data.
They live much longer lives and they live to die of something else and the leading causes of death currently haven't changed very much since 1997 when this data was published: they die of heart disease and cancer primarily.
人们活的更久了,不过会死于另一些疾病,如今导致死亡的主要原因,并没有太大的变化,自一九九七年有相关数据公开开始,其显示人们主要死于心脏病和癌症
Turns out they make stock data and the like available essentially via text files or via a simple API application programming interface which will be one of the themes of the course.
他们基本上是通过使用文本文件,或者通过一个简单的API应用,或者编程接口来获取股票和其他一些数据,这些都是本课程的主要内容。
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