采用双曲线和指数曲线两种拟合方法对实测数据进行了曲线拟合计算，同时采用分层总和法对路基总沉降进行了计算。
The hyperbolic curve method and the exponential curve method are used to forecast embankment settlement of the highway around Harbin city, meanwhile total embankment settlement is calculated.
定义和应用确保数据准确和完整的技巧，如随机抽样法、分层抽样法、样本同质性等。
Define and apply techniques for assuring data accuracy and integrity such as random sampling, stratified sampling, sample homogeneity, etc.
方向数据的聚类分析法对与疾病的时间聚集性进行分析、季节分层分类等有极其重要的意义。
Cluster analysis of directional data is important to temporal clustering analysis of disease and stratification of season.
介绍分层随机抽样条件下多重插补法处理缺失数据的基本思想，分析可忽略无回答的分层随机抽样建立多重插补的常用方法，并通过实例加以说明。
The paper introduces multiple imputation (mi) for missing data in stratified random sampling, and discusses the ordinary method of mi with ignorable nonresponse, and illustrates the essential steps.
本文首先阐述了点云数据的预处理方法，包括选择分层位向、建立拓扑关系、法向补偿及平滑处理等操作；
This paper first expatiates the preprocess of data, which includes choosing the orientation to slice, topologizing the data, offsetting in the normal direction and smoothing the data.
本文首先阐述了点云数据的预处理方法，包括选择分层位向、建立拓扑关系、法向补偿及平滑处理等操作；
This paper first expatiates the preprocess of data, which includes choosing the orientation to slice, topologizing the data, offsetting in the normal direction and smoothing the data.
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