Finally, younger ecologists have found ecological problems involving behavior and life-history adaptations more attractive than measuring physicalconstants.
最后，年轻一代的生态学家发现，涉及行为和生活史适应的生态问题比测量物理常量更有吸引力。
2
Such clocks could help spot tiny changes in physicalconstants over time.
这种时钟能够帮助认出物理常数如何随着时间所作的极为微小的变化。
3
Fundamental physicalconstants By the US National Institute of Standards and Technology.