An EMAS requires that environmental costs are identified and made explicit.

一个生态管理和审计要求,环境成本的确定和明确.

The state-of-the-art of EMAS was introduced and focused, and the importance to study the technology was presented.

针对这些问题，重点介绍和讨论了EMAS技术的国内外研发现状，阐明了开展该技术研究的必要性和重要意义。