In this paper, an efficient total ordering directed transitive signature scheme is proposed and its security against adaptive chosen-message attack is proved.
该文提出一个高效的全序有向传递签名方案，并证明该方案在选择明文攻击下是安全的。
A scenario to be addressed by each manager is that how to design multi-item ordering quantity in order to not only reduce the inventory lever but also minimize the total order cost.
如何设置多种产品的订购数量，不但能减少库存总量，而且能使总的订购成本达到最小，这便成为管理者必须回答的问题。
The total cost includes the ordering cost, storage cost and back-order loss in the storage management which under the condition of limited warehouse capacity.
在仓库容量有限条件下存贮管理中，总损失费用主要包括订货费、存贮费和缺货损失费。
The ordering quantity and production can be determined economically and effectively with this model to minimize the total annual cost.
运用此模型及算法可以有效确定经济定货量和经济生产量，最大限度降低年生产费用。
More and more enterprise managers and scholars are focusing on the problem that how to reduce the total cost of ordering activities by supply chain harmonizes.
如何通过供应链协调来实现降低供应链总成本已成为企业管理者和学者共同关心的问题。
More and more enterprise managers and scholars are focusing on the problem that how to reduce the total cost of ordering activities by supply chain harmonizes.
如何通过供应链协调来实现降低供应链总成本已成为企业管理者和学者共同关心的问题。
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