The selection of technical scheme one of is the keys to optimal drilling in the whole drilling ope-ration.
在优化钻进中，技术方案的选择，是整个钻进过程的关键之一。
Based on the above, the impact of amplitude coefficient ratio on amplitude-phase Double Differential Space-Time Codes is discussed, and an optimal selection scheme in amplitude coefficient is given.
在此基础上，讨论了幅度系数比对幅度相位双差分空时码的影响，并给出了一种最佳的幅度系数选择方案。
Grey system theory is introduced into the multi-attribute fuzzy optimal selection of design scheme, the fuzzy optimal selection model is formed based on the grey relational analysis.
将灰色系统理论引入设计方案的多属性模糊优选，形成基于灰色关联分析的模糊优选模型。
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