Our sovereignty over the islands in the South China Sea is based on discovery, preoccupation as well as long-term, sustained and effective management.
我们对南海诸岛的主权是建立在发现、先占和长期、持续、有效管理的基础之上。
2
Based on their observations, the authors conclude that long-term climate change is likely to influence both deep-sea communities and the chemistry of their environment.
在观察的基础之上，作者作出结论：长期的气候变化可能影响到了深海生物群落以及深海环境中的化学现象。
3
Enter Allman, who came to Ghana as a Fulbright Scholar to establish the first long-termsea turtle research and conservation program in Ghana.