在简单阐述了期货市场套期保值的功能的基础上，利用效用指数法，得到套期保值的价格临界点，进行套期保值决策。
Based on the analysis of functions of futures market hedging, the critical point of hedging is obtained using the utility index method to make hedging decisions.
他们还驳斥了“幸福指数”的概念，这一概念指的是在经济增长达到了一个临界点之后，国家经济的进一步增长不会带来国民幸福程度的增长。
They also refute the concept of a " satiation point" or the belief that, beyond a certain income threshold, further increases in national wealth cease to increase national happiness.
数值计算了该模型系统渗透率在临界点处的标度指数。
The scaling exponents of the permeability are calculated at the percolation critical point.
数值计算了该模型系统渗透率在临界点处的标度指数。
The scaling exponents of the permeability are calculated at the percolation critical point.
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