Fixed cost lead to managerial levers emerging. Enterprises would fully recognize the effect of managerial levers in order to improve the quality of making policy and economic results.
经营杠杆效应是由于固定成本的存在而产生的，企业必须充分认识经营杠杆的作用，以提高决策质量和经营效率。
And then we combine the model and response cost method to build a response policy-making model.
然后结合该模型和成本分析方法给出了一个响应决策模型。
The heap leaching of uranium ore, its decreasing cost and increasing efficiency are expounded, and the policy-making principles for using heap leaching technology and the main work are discussed.
前言： 本文论述铀矿石堆浸、降低成本、提高效益的问题。讨论了搞好堆浸的决策原则和主要工作，介绍了堆浸技术经济分析、工艺流程选择和治理“ 三废”的有关方法及要求。
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