Preservations reject the notion .

保育人士拒绝接受这个概念。

Endothelial cell cultures in the study of corneal preservations .

应用内皮细胞培养对角膜保存的研究。

You could image the future of eco-tourism in china only referring to the current preservations of ancient buildings and civilization in china .

其实看到中国各个城市古建筑和文化的保存情况就知道，生态旅游的前景。