Adopting concept attainment model is helpful to improve college students 'acquisition ability of active vocabulary.
利用概念获得模式组织教学有助于提高大学生的积极词汇习得能力。
In Blau-Duncan's status attainment model and other relative researches, education was used as the media mechanism of stratum reproduction.
在布劳·邓肯模型及相关地位获得研究中，教育被作为阶层再生产的中间机制。
It introduces the multi-objected optimization model of the metal milling process parameters and applies the goal attainment method to ask for the explanation for the model.
方法引入了金属铣削加工参数多目标优化模型，应用目标达到法对模型求解，又基于神经网络建立了金属铣削参数自动获取模型。
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