“desertification in China”的概念、定义、翻译、参考文献-科学参考

单词	desertification in China
释义	desertification in China Encyclopedia 理学中国荒漠化释 desertification in China中国荒漠化由于气候变化和不合理的人类活动，造成中国干旱、半干旱和半湿润地区的土地退化现象。荒漠化以土地资源丧失和地表类似荒漠景观出现为标志。
随便看	torsion balance torsion-balance gravity gradiometer torsion basis torsion center torsion class torsion coefficients torsion-complete torsion constant torsion-curvature form torsion divisor torsion element torsion fiber torsion field torsion form torsion-free torsion free affine connection torsion-free affine connection torsion-free A-module torsion free commutative group torsion-free commutative group torsion-free connection torsion-free group torsion free module torsion-free module torsion-free ring

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