量的资料又可分为离散资料(discrete data)与连续资料(continuous data) 定义2.1.3 离散资料(discrete data) 离散资料是可计数的(countable)，具有最小的计数单位，离散资料又称为不连续资料。
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大多数关于危重患者伴急性肾衰的流行病学研究都以单中心为基础，或者使用离散的转归来分析单个时间点暴露所获得的资料。
Most epidemiological studies of ARF in the critically ill have been based at single centers, or have examined exposures at single time points using discrete outcomes (e. g., in-hospital mortality).
将NCAR和SURFER两种绘图软件相结合，成功地实现了在特定区域内离散点资料的等值线分析和地图叠加。
We combined NCAR software with SURFER software, and successfully analyzed the contour of discrete point data and realized map superposition in special region.
对离散误差资料进行曲线拟合，误差曲线质量对补偿器性能至关重要。
The compensator function depends directly on the quality of the error curve, which is decided by discrete error data through curve fitting.
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