oppositive中文什么意思

a. 反对的；相反的

• oppositive reaction:    对峙反应

例句与用法

1. 3 . the technology of mutual function between user and computer in 3d topography is studied, in which the strongpoint and shortcoming in the method of positive solution and the method of oppositive solution is analyzed and their improvement is also presented
   对三维地形交互技术进行了研究，深入分析了正解法与反解法两者之间的优劣及其各自的改进方法，同时提出了采用两者的结合来提高交互的精度和可靠性。
2. when the covariance matrix formed by securities yields is non-oppositive definite, we provide the model with transaction costs, which risk is variance matrix risk . when the covariance matrix formed by securities yields is not exist, the risk we use is absolute deviation risk and semi-absolute deviation, which is differ with traditional risk such as variance matrix risk or semi-variance matrix risk
   在证券收益率协方差阵不一定存在时，给出了不同于以往以证券收益率间的方差或是半方差为风险度量指标而是以绝对离差为风险指标和以半绝对离差为风险指标的含有交易费用的证券组合投资模型。