A hypothesis that nematicidal activity of quinolizidine alkaloids is mainly determined by types of functional group pair and types of functional group in their molecular structures was proposed.
本文提出了双稠哌啶类生物碱对松材线虫的杀线活性强弱主要受其分子结构中官能团对的类型及其中的官能团的类型控制的假说。
In this paper, the preference-ratio measure relative to a pair of alternatives and the preference-ratio functional are introduced, respectively, for an individual and a group in group decision making.
本文引进群体决策的决策个体和决策群体关于供选方案对的偏比度，以及偏比泛函概念。
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