range statistics的意思|示意

WHO makes its data and analyses accessible through the Global Health Observatory portal as well as databases that provide statistics on a wide range of diseases and health indicators.

世卫组织通过全球卫生观察站网络门户以及负责提供大量疾病和卫生指标的统计数据库，公布其数据和分析结果。

Although no national statistics on farm size were available, farms can range from very small to up to 5, 000 acres.

尽管没有国家统计的数据，仍然可以推断农场规模有的很小，有的达到五千亩。

Since it is a range predicate and there are no frequency and histogram statistics available, the filter factor is calculated with the basic statistics information HIGH2KEY and LOW2KEY.

由于它是范围谓词，而且没有频度和直方图统计数据可用，过滤因子是用基础统计信息HIGH2KEY和LOW2KEY计算得出的。