Conservation & Preservation 保存与维护
PRESERVATION AND CONSERVATION 保护与改造 ; 维护 ; 保管与保护 ; 与保护
document conservation and preservation 文献保护
historic preservation and conservation 历史的保存和保护
Preservation and Conservation Movement 资源与荒野保护运动
They can also indirectly support the preservation of entire forests, which in turn helps to combat climate change, according to Cornell University conservation scientist Jeff Wells.
据科奈尔环境保护科学家杰夫。 威尔斯说,驯鹿也间接支持整个森林的防护,轮流帮助对抗气候变化。
Therefore, programmes involving the conservation and preservation of some natural and cultural sites also form a part of ecotourism.
因此,涉及保护和保存一些自然和文化遗址的项目也成了生态旅游的一部分。
Restricting conservation and cryopreservation are two main methods of plant germplasm in vitro preservation.
限制生长保存和超低温保存是植物种质离体保存的两种主要方法。
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