“alpine sandy land”的概念、定义、翻译、参考文献-科学参考

单词	alpine sandy land
释义	alpine sandy land Encyclopedia 农学沙地释 alpine sandy land高寒沙地沙地的一种。地表被沙丘（或沙）覆盖，由于海拔较高（2500～3700米），气候寒冷干燥，植物因无法吸收水分而引起植物生理干旱，植物种类比较贫乏，植被盖度较低的沙地，又称高寒沙区。
随便看	quadratic form of a link quadratic form of a quiver quadratic form over a vector space quadratic form rank quadratic form signature quadratic forms of same type quadratic formula quadratic function quadratic functional quadratic group quadratic hypersurface quadratic ideal quadratic inequality quadratic inequality constrained least squares problem quadratic inequality constrained least-squares problem quadratic integrability quadratic integral quadratic integral form quadratic interpolation quadratic invariant quadratic inversion quadratic irrational quadratic irrationality quadratic irrational number quadraticity

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