求翻译：本文以铝业作为研究对象，在对EVA的涵义、概念等研究基础上，依据南山铝业近五年的财务报告和相关资料，计算其EVA数据，分析南山铝业在EVA指标业绩评价体系中存在的问题，并提出相关改善建议。是什么意思？

In this paper, aluminum as the research object , based on the study of the meaning of the EVA , concepts on the basis of Nanshan Aluminum nearly five years of financial statements and related information to calculate the EVA data , analysis Nanshan Aluminum in the EVA Performance Evaluation System

This document provides a aluminum industry as an object of study, the EVA meaning, concepts, research-based, based on Nanshan aluminum industry nearly 5 years of financial reports and related information, the calculated its EVA data, analysis Nanshan aluminum industry in EVA indicators performance e

This article by the aluminum business took the object of study, in to research foundations and so on in EVA implication, concept, rests on the Mt. Na aluminum business near five year financial report and the correlation data, calculates its EVA data, analyzes the Mt. Na aluminum business the questio

Based on the aluminum industry as a research object, in EVA's meaning, the concept of research based on the basis of Nanshan aluminum over the last five years of financial reports and related information, calculate the EVA data and analysis of Nanshan aluminum in the EVA index problems in performanc

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