Back to the practicals, why Google and Microsoft's product is not accepted by more people in China.

回到更加现实的问题上来，为什么谷歌和微软在中国的产品总是不能更加的成功。

Therefore, the aim of the research on fragility of ecosystem in the karst region has important practicals…

本文通过分析各生态因子对岩溶生态的作用来研究其脆弱性。