Considering the disadvantages of the weighed D-S theory, a best method of obtaining evidence weight value is presented.
针对加权证据理论的这一研究不足，提出了一种求取最佳证据权值的方法。
Adding the option value, medicine A R&D project given up by NPV method is recognized by the management of First pharmaceutical factory.
加上期权价值后，原本在传统净现值方法中被放弃的A药品R&D项目重新得到了制药甲厂管理层的认可。
Method The ratio of systolic and diastolic blood stream(S/D value)of umbilic artery was detected by color Doppler ultrasound detector.
方法应用彩色超声多普勒仪器进行胎儿脐动脉血流检测，并分析胎儿及分娩前后情况与血流检测的关系。
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