Slow, continuous change may be the norm during periods of environmentalstability, while rapid evolution of new species occurs during periods of environment stress.
缓慢的、持续的变化可能是环境稳定时期的常态,而新物种的快速进化发生在环境压力时期。
2
Environmentalstability of polymer materials.
聚合物材料的环境稳定性。
3
That is especially true when it comes to clean energy, energy security, environmentalstability, and climate change.