“Three-north shelterbelt program”的概念、定义、翻译、参考文献-科学参考

单词	Three-north shelterbelt program
释义	Three-north shelterbelt program Encyclopedia 理学“三北”防护林体系工程释 Three-north shelterbelt program“三北”防护林体系工程中国在西北、华北北部和东北西部建设的北疆绿色生态屏障绿化工程。
随便看	axiom of the power set axiom of the sum set axiom of union axiom of unordered pair axiom schema axiom schema of replacement axiom schema of separation axioms for cohomology axioms for generalized cohomology axioms for generalized homology axioms for homology axioms of countability axioms of statics axiom system axion axiotron AXIS axis axis adjustment of hydro-generator unit axis age axis diameter measurement axis distribution figure axis of aberration axis of abscissas axis of absolute convergence

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