作用基 meaning in Chinese

functional group

In addition , the stock options which is the core model has been discussed and the improved model of the principle with the function of stock options has been put forward as well , meanwhile the issues of the standard stock options has been analyzed and optimum design has been performed with our actual practice
此外，对股票期权相关理论进行了较为深入的思考，提出了股票期权作用基理的改进模型，对b - s期权定价模型进行了讨论，分析了标准股票期权的缺陷并结合我国实际进行了优化设计。