求翻译：摘要：生态文明是继原始文明、农业文明、工业文明之后的必然趋势，是人类文明发展的更高阶段。近年来，生态文明成为一个比较热门的话题，一大批专家、学者从各自的学科视角出发，围绕生态文明理论体系的构建和生态文明建设的实践进行研究。本文旨在系统梳理和总结有关生态文明理论和建设实践的既有成果，以期厘清该领域研究的演化脉络和历史路径，找出当前研究中的疏漏和不足，明确其未来研究的趋势和方向。是什么意思？

Abstract: ecological civilization is an inevitable trend, after following the original civilization, agricultural civilization, industrial civilization is a higher stage of development of human civilization. In recent years, become a hot topic of ecological civilization, the large number of experts

Summary: ecological civilization is the original civilization, agricultural civilization, industrial civilization is the inevitable trend toward development of human civilization, the higher stage. In recent years, ecology of civilization has become a hot topic, a very large number of experts and sc