实施SSNIP的方法有自需求弹性法和临界损失法，临界损失法在实践中日益得到广泛应用。

In carrying out SSNIP way there are self-needing elastic method and critical loss method, the latter one is widely applied in practice.

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二是假定垄断者测试及其执行方法，包括临界损失分析、临界弹性分析、转移率分析、剩余需求分析和机会成本法；

HMT and its implementing methods, including critical loss analysis, critical elasticity analysis, diversion rate analysis, residual demand analysis and opportunity cost method;

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用机会损失（后悔值）概念对随机存贮系统的各种临界比公式进行了统一处理。

Moreover, according to the concept of opportunity loss or regret, we give a universal formula of the crisis ratio for stochastic inventory model.

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