“groundwater resources protection”的概念、定义、翻译、参考文献-科学参考

单词	groundwater resources protection
释义	groundwater resources protection Encyclopedia 工学地下水资源保护释 groundwater resources protection地下水资源保护包括水量保护和水质保护。水量保护是保护地下水量不致很快被消耗以致枯竭，保持地下水量长期均衡变化；水质保护是保护地下水质不受污染，防止水质恶化，防止开采地下水后产生不良的环境地质问题。
随便看	number of eggs laid number of external stability number of faces number of figures number of floating point operations number of floating-point operations number of generators number of handles number of hydration number of inbound tourists number of independence number of internal stability number of inversions number of local moduli number of monofilaments number of outbound number of outbound tourists number of participants number of partitions number of permutations number of person-days number of places number of plate number of R & D personnel number of reading days per week

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