... 难度系数 degree of difficulty ; coefficient of difficulty 难度指数 index of difficulty ; difficulty index ; item difficulty index 简单难度 Easy ...
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This paper presented a mathematical model with the main controlling parameters of the main points of knowledge, coefficient of difficulty and the structure of test question.
以考查点、难度系数和题型为主要控制参数建立了组卷问题的数学模型,并给出了用遗传算法解决组卷问题的新方法。
For scattering of a bounded acoustic beam from a liquid-solid interface, the principal difficulty comes from the treatment of tie plane wave reflection coefficient.
分析有限声波束从平面液-固界面上散射的困难主要发生在平面波反射系数的处理上。
Therefore, the difficulty coefficient of road administration is determined by calculating the group utility function based on the normalized weights, utility function of every expert and the indexes.
用归一化的专家权重、专家个人效用函数的权重以及标准化后的指标,计算群效用函数,即可确定公路路政管理难度系数。
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