Since bones don't grow when an animal hibernates, the absence ofrings led them to their original theory.
由于骨骼不会在动物冬眠时生长，因此年轮缺失的现象使他们得出了原始的理论。
2
The theory neatly accounts for why Saturn's rings are nearly pure ice, while most objects in that part of the solar system are more an ice-rock blend.
这一理论严谨地解释了为什么太阳系中这一部分的大多数物体都是冰岩混合物，而土星的光环却近乎都是冰块。
3
This paper introduces the optical interference and its theory and application on the inspection of high precision flatness of the seal-face of floating end-face seal rings.