1. 玛雅历以一个循环作为结束，而且历法中没有关于世界末日的预言。
The Mayan calendar ends a cycle, but there were no predictions of the end of the world.
2. 循环历是什么意思
2. 怎么算出来的呢？我在循环遍，历这个列表对吧？那要遍历这个列表。
How do I figure that out? Well I'm looping down the list, right? I'm walking down the list.
3. 此外，利用透射电镜的方法观察了在不同循环加载历晚条件下合金中微观结构的变化情况，尤其是位错以及位错带的演变规律。
Still, the microstructure of the alloy during different loading cycles is researched with the help of TEM, especially the evolution of the dislocation and dislocation bands during the fatigue process.