“shelterbelt program for Liaohe River”的概念、定义、翻译、参考文献-科学参考

单词	shelterbelt program for Liaohe River
释义	shelterbelt program for Liaohe River Encyclopedia 理学辽河流域防护林体系建设工程释 shelterbelt program for Liaohe River辽河流域防护林体系建设工程为了防治辽河流域水土流失和风沙危害，改善流域的生态环境而实施的林业工程。
随便看	circle-circle tangents circle composition circle covering circle criterion circle cutting circle cycle circled circled closure circled domain circle diagram circle discriminant circle division circle division by chords circle division by lines circled kernel circled set circle-ellipse intersection circle evolute circle function circle geometry circle group circle group action circle inscribing circle inverse curve circle involute

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