“ecological degradation”的概念、定义、翻译、参考文献-科学参考

单词	ecological degradation
释义	ecological degradation Encyclopedia 工学生态退化释 ecological degradation生态退化在一定的时空背景下，在自然因素、人为因素或二者共同作用下，导致生态要素和生态系统发生的不利于人类和生物生存的量变和质变的过程或结果。
随便看	congruence of tangents congruence of triangles congruence on universal algebra congruence-permutable algebra congruence problem congruence relation congruence-simple algebra congruence subgroup congruence subgroup of level N congruence subgroup problem congruence theorem congruence theory congruence transformation congruence variety congruence with several variables congruence with two terms congruence zeta function congruence zeta-function congruence ζ function congruence ζ-function congruency congruent congruent angles congruent circumcircles isoscelizer point congruent expression

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