ratiotestn.比率检验法
ration.比率；比例
ratio-dependent predator-prey system比率型捕食系统
ratio and difference estimation sampling比率差异推算抽样法
Ratiocination in Early Detective Stories早期侦探小说中的推理
Ratio of exponentially weighted averages加权指数平滑滤波器
ratio-based self-tuning interpolation比值自校正插补
ratio of pulmonary to systemic resistance肺动脉阻力与全身血管阻力比率
ratio of carrier-to-interfering signal载频信号对干扰信号比
Ratio estimation of multi-phase sampling多阶段抽样比率估计
ratio of thermal-to-interference noise热噪声与干扰噪声比
ratio spectrum-derivative spectrophotometry吸光度比值-导数分光光度法
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