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- A new method is proposed for sample selection in large data set. 提出了一种大规模数据集的训练样本选择方法。
- Sample selection error -improper sample design or sampling procedure execution. 白天在商场选取女性应答者可能就把职业女性排除在外。
- Heckman, J.J. (1979), Sample selection bias as a specification error, Econometrica, 47, 153-161. 样本选择偏差，一看就知道是个很重要的问题嘛，排名第五，不算亏待。
- The method of sample selection should be recorded. The sample should include all significant types of transaction. 应当书面记录挑选样本的方法，样本应当包括所有重要的交易类型。
- The test batch sizes laid down in the standards apply as regards sample selection. 对于取样的选择，试验批次尺寸在运用的标准中列出。
- THE REGIONAL CLASSIFICATION METHOD OF SAMPLE SELECTION FOR MECHANISM'S STUDY OF INVESTMENT AND FINANCING OF PUBLIC HEALTH IN RURAL AREAS. 农村公共卫生投融资机制研究样本抽取的区域分类方法。
- To understand the rules, we should pay more attention to time scale and sample selection, and researches on macro regularity based on micro statistics. 对旅游发展规律的认识要注意时间尺度和样本的选取，由微观态的统计上升为对宏观规律的探究。
- To optimize the testability verification experiment scheme, an optimized failure sample selection algorithm is put forward. 摘要为设计优化的测试性验证试验方案，提出了故障样本优选算法。
- Methods After blood sample selection, the infrared, magnetic polarizing and oxygenation were performed to regulate the neuro-immune function. 方法采血后,血液经磁、光和充氧,进而实施磁化和紫外线照射,调节神经、体液和免疫功能。
- As the premise and basis for quantitative analysis of patents,sample selection and data cleansing are affecting the analysis effect as well as the conclusion. 作为定量专利分析的前提和基础,样本选取和数据清洗影响着专利分析的结论,并决定着专利分析的效果。
- Inclusion criteria for sample selection were peptic ulcer outpatients in 2001 and patients treated using upper G-I panendoscopy and drugs for peptic ulcer. 排除的凖则是罗患胃癌、疗程中死亡患者与资料错误样本。
- For a multifactor power load prediction problem and typical training sample selection, a new method for Short-Term Load Forecasting (STLF) based on data mining is put forward. 针对电力负荷受到多因素的影响以及典型训练样本选择问题,提出了一种基于数据挖掘技术的新型短期负荷预测方法。
- This highlights how important sample selection is in estimating empirical FDI models, particularly those with spatial terms, if one wants to be able to relate such results back to FDI theory. 这突出多么重要样本选择是外国直接投资估算实证模型，特别是那些与空间的条件，如果一个人希望能与这样的结果回的外国直接投资的理论。
- A fast SVM training algorithm based on boundary samples selection is proposed (BSS-SVM). 根据SVM的分类判决面仅由支持向量决定的特点，提出了基于边界样本选择的快速SVM学习算法(BSS-SVM)。
- To achieve these objections, we first estimate a probit insurance participation decision model and then a random-effects insurance volume decision model with Heckman’s sample selection correction. 首先使用二元选择模型（probit模型）进行企业是否投保问题的研究，然后选用带有Heckman样本选择校正的随机效应模型进行企业投保量的研究。
- What I need is nothing but a sample. 我需要的不过是一件样品而已。
- The nurse took a sample of my blood for tests. 护士抽了我的血样去化验。
- That shop has a fine selection of cakes. 那家商店有各种精美的糕点供我们选择。
- That store has a good selection of furniture. 那家店有很多家具可供挑选。
- The selection was weighted against me. 那次选拔对我不利55。
