Fiszbein说，过去要做这样的评价受到数据缺失和制作相反事实-即如果没有项目会是什么情况-的技术挑战的制约。
Fiszbein says in the past, such evaluations were constrained by the lack of data and the technical challenges of developing a counterfactual, that is, what would have happened without the program.
在UK 之外，有真实的证据能表明BRC食品技术标准被应用。 这就变成了一个框架，许多公司依据它来评价供应商的项目。
Standard outside the UK, as it became the framework upon which many companies have based their supplier assessment programes.
传统能源项目的评价方法主要是项目的技术经济评价，对环境和能源问题很少考虑。
Technical economic assessment method is traditional method used for assessment on energy project, but it has little consideration on environment and energy.
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