During the experimental study on mining method in Huidong Lead-Zinc Mine, the selection of mining method is optimized through the approach of fuzzy mathematics.

在会东铅锌矿的采矿方法试验研究中，采用模糊数学方法进行采矿方法的优化选择。

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Here is the initial study on selection of contrast medium and imaging technique in order to research the diagnosis method of zygomatic gland diseases.

为了探索犬颧腺影像学诊断方法，对造影剂应用和造影方法进行了初步研究。

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To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.

研究非线性调频信号波形设计方法。 依据相位逗留原理，采用动态优选法，给出了一种改进的非线性调频信号波形设计方法。

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The staff plan also made clear that the study was to focus not just on the selection method of the at-large board seats but also on whether such members were needed at all.

CNN: Group overseeing Internet changes sets its election rules