quantitative PCR定量PCRquantitativeadj.数量的；定量的Quantitative Research of Recreational Impacts游憩影响量化评价Quantitative Economics and Economic modelling数量经济学与经济模型quantitative renal scintillation camera study定量肾闪烁照相机检查quantitative-structure activity relationship定量结构-活性相关quantitative acupuncture anaesthesia apparatus定量针麻仪Quantitative structure-spectnnn relationship定量结构波谱关系Quantitative data processing and analysis?quantitative structure-property relationship定量结构-性质关系quantitative structure-spectrum relationship定量结构波谱关系quantitative structure-activity relationship定量构效关系, 定量结构活性关系