对照进行了对比分析目的在于研究退耕地植被次生的翻译：Comparative purposes conducted a comparative analysis is the study of secondary xylem in abandoned lands during vegetation 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Comparative purposes conducted a comparative analysis is the study of secondary xylem in abandoned lands during vegetation

The comparison carried on the contrast purpose of analysis to lie in the research to take back from agriculture the vegetation secondary

Comparative purposes conducted a comparative analysis is the study of secondary xylem in abandoned lands during vegetation