“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	nuclear magnetic resonance frequency shift nuclear magnetic resonance imaging nuclear magnetic resonance logging nuclear magnetic resonance method nuclear magnetic resonance (NMR) nuclear magnetic resonance, NMR nuclear magnetic resonance(NMR)spectroscopy calculation nuclear magnetic resonance processing , NMR processing nuclear magnetic resonance sounding，NMS nuclear magnetic resonance spectrometer nuclear magnetic resonance spectroscopy nuclear magnetic resonance spectroscopy; NMR spectroscopy nuclear magnetic resonance spectroscopy technology nuclear magnetic resonance structure analysis nuclear magnetic resonance technology nuclear magnetic resonance thermometer nuclear magnetic resonance tomography nuclear magnetic resonance tomography, NMR tomography nuclear magnetic shielding constant nuclear magnetism nuclear magneton nuclear many-body problem nuclear mapping nuclear mass nuclear mass number

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