A top-end 64GB 3G model is expected to cost about HK$11, 880, or US$1, 525.
高端的64GB3G模式的iPad预计售价11880港币或者1525美元。
Based on balance management, this paper proposed an optimal issuance model of national debt in order to minimize the expected interest cost of portfolio of national debt.
基于国债余额管理提出了一个国债最优发行模型，以最小化所发行国债组合的期望利率成本。
The expected cost per unit -time for infinite time span is analyzed strictly under the mathematical model constructed, and the optimum age replacement decision is also discussed.
在建立数学模型的基础上，分析了系统长期单位时间内的期望费用，并讨论了最优年龄替换决策。
应用推荐