gyr造句
造句与例句手机版
- The evolution time in our calculation is chosen to be 12 gyr , which is the mean value of globular cluster ages in the galaxy
恒星蒸发对小质量球状星团的演化起着主导作用,大质量恒星的演化、银河系核球和盘的冲击加热以及动力学磨擦则主要影响大质量球状星团的演化。 - It's difficult to see gyr in a sentence. 用gyr造句挺难的