传统的基于有限域的离散对数问题因为可以使用指标计算方法而存在亚指数时间算法求解。
The classical discrete logarithm problem in finite prime fields can be solved in an expected time which is subexponential in the group size via the socalled index calculus method.
该公司开始卖出价值为41亿美元的“电子迷你”期货合约，这些合约以一种算法交易形式建立在标准普尔500指数之上，只考虑交易量而不考虑时间和价格因素。
The firm started to sell $4.1 billion of “E-Mini” futures contracts based on the S&P 500 index through an algorithmic trade, taking account only of volume, not time or price.
一直以来，最优解的排课算法的时间复杂度大多是排课规模的指数阶。
The complexity of optimum-solution schedule arrangement algorithm has almost been exponent degree of schedule scale.
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