The answer is the dynamics of earth's motions, the same thing that caused the Ice Age by the way.
答案是地球运动的动力学，顺便说一下，这也是导致冰河时代的原因。
I like The Avengers — because I love the idea and dynamics of team crime-fighting, as opposed to a solo superhero.
我真的很喜欢《复仇者》——因为我喜欢这个反犯罪团队的理念和动力，而不是一个单独的超级英雄。
Changes in the competitive dynamics of this fragmented industry are at last making it feasible for wholesalers to consolidate.
这个支离破碎的行业竞争动态的变化，终于使批发商整合成为可能。
In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.
在物理学中，运动的物体有两个特征与理解能量系统动力学相关：惯性和动量。
Moreover, an examination of the apparent sequential connections among military, economic, and cultural forms of progress might help explain the dynamics of historical change.
此外，对军事、经济和文化发展形式之间明显的顺序联系的考察可能有助于解释历史变化的动力。
The idea behind the program is to get the police officers out of their cars and into our neighborhoods where they can talk directly to merchants and residents about the real dynamics of our city.
这个项目背后的意图是让警员走出警车，走进我们的社区，直接与店主和居民交流，了解城市的真实动态。
They are sensitive to the dynamics of the negotiation.
他们对谈判中的瞬息万变十分敏感。
The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.
对樟子松人工林群落结构和土壤水分动态进行研究。
The dynamics of the project team interactions.
项目团队交互的动态性。
Yet the dynamics of Germany's relationships have changed.
但德国国际关系的态势已经发生了变化。
But there are signs that the dynamics of debate are changing.
然而有迹象表明，辩论的格局正在发生改变。
Look at the dynamics of geographically distributed development.
考虑地理分布开发的动态性。
Calculating the fluid dynamics of this unusual milieu is no mean feat.
计算这种不寻常环境的流体动力学无疑是项壮举。
Spot prices are not an ideal way to capture the dynamics of supply and demand.
现货价并不是捕捉供需动态关系的理想方式。
For sure, the dynamics of that deal are very different from the Coke-Huiyuan case.
当然，这桩交易的形势与可口可乐-汇源交易有很大的不同。
And he already had an acute sense of the different dynamics of these different media.
而且他已经对这些不同媒介的不同动向有了敏锐的感知。
"The same dynamics of other social networks may not transfer to this activity," she said.
“同样的动态，未必会从其他社交网络转移到这项活动中来，”她指出。
"They were interested in hearing about the dynamics of the discussion," one official said.
“他们有兴趣了解讨论的动态，”一名官员表示。
"The actions of a single individual can shape the dynamics of an entire crowd," he noted.
“单个个体的行动能够为整个群体的行动定型，”他指出。
More precisely, why would the dynamics of adaptation work for some organisms but not others?
说得更明白些，为什么某些生物体能发挥很好的动态适应性，另一些却不能呢？
Polygamy does not create extra wives - it just changes the dynamics of who marries whom.
一夫多妻制并不会创造额外的老婆，只会改变婚配机制。
Population susceptibility to infection by a new virus drives the dynamics of an influenza pandemic.
新病毒的人群易感性驱动流感大流行。
The merger reflects the shifting dynamics of the global pharmaceutical and biotechnology industries.
该合并反应了全球医药和生物科技的发展趋势。
Estate agents are nervous, but few expect the dynamics of the housing market to change dramatically.
尽管房产中介很紧张，但是房产市场有大变化的可能性不大。
The larger lesson is that Foucault had a point: The dynamics of power can profoundly influence how we think.
更大范围内的教训来自福柯的观点：权力的力量能深刻影响我们的思维方式。
They are held together, poised upright like a pencil standing on its point, by the recursive dynamics of coevolution.
蝴蝶和马利筋，犹如立足笔尖的铅笔，依靠共同进化的递归动态而立得笔直。
With this third rule added, the model accurately reproduced the dynamics of dense crowds as well as those of sparser ones.
加上了这第三个规则，该模型准确地再现了密集人群的动态，以及稀疏人群的动态。
With this third rule added, the model accurately reproduced the dynamics of dense crowds as well as those of sparser ones.
加上了这第三个规则，该模型准确地再现了密集人群的动态，以及稀疏人群的动态。
应用推荐