There are two types of immunization strategies, which depend on searching the neighbors' degree differently, and can also be used with different cost required.
该免疫算法有两种策略，这两种策略对邻居节点的搜索方法不同，免疫的代价也有所差异。
To overcome these challenges, WHO and UNICEF recommend that countries implement the strategies in the "Global Immunization Vision and Strategy 2006-2015".
为应对这些挑战，世卫组织和儿童基金会建议各国实施2006 - 2015年全球免疫远景与战略中所载的各项战略。全球免疫远景与战略确定的主要战略领域是：1。
Accounting for the influence, explores a stochastic immunization method and financial engineering approaches based on hedging, which are two kinds of interest rate risk management strategies.
针对嵌入期权的影响，探讨了随机免疫方法和基于套期保值策略的金融工程手段这两种公司债券利率风险管理策略。
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