这些矿石中的一种负载石在漫长的地球演变过程中变成了具有磁场能力的块状的大型天然铁。
One of these was loadstone which is basically a chunk of naturally occurring iron which has somehow in the course of the earth’s long history obtained a magnetic orientation.
演变过程中的每一个阶段都需要经历漫长的时间来变得更加成熟和稳定。
Each stage in the evolution needs time to mature and settle.
当然，仍有些反对派认为所谓的“长期”用户实际上户龄还不够长，而脑瘤的演变却要历经极其漫长的阶段。
But there are yet still other critics who say the “long-term” users weren’t long enough, that tumors require even more time to develop.
据达尔文理论，长颈鹿几千年来的长脖子，是由于长脖子基因在漫长的演变过程中，逐渐占据上风。
By Darwinist thinking, giraffes got their long necks over millennia because genes for long necks had, very slowly, gained advantage.
城市空间结构的演变是一个漫长的过程，在不同的历史时期，其形态结构具有明显的区别。
The evolution of urban spatial structure is a long process, and its Structure have obvious difference in different historical periods.
竞争理论作为经济学的核心理论，经历了漫长而曲折的演变过程。
Competition theory as the core of Economics has undergone a long and tortuous developing progress.
八卦由单卦演变到重卦，是一个漫长的历史过程。
It is a long history for the Eight Diagrams to evolve into the Double Diagrams from the Single Diagram.
蛇的唾液本来和我们人的消化液一样柔和，但经过漫长的时间，演变成了今天仍无法分析清楚的毒液。
Over the periods their saliva, a mild, digestive juice like our own, was converted into a poison that defies analysis even today.
死刑作为一个最严厉的刑种，经过漫长的历史演变，形成了今天比较完备的制度。
As a most severe punishment, death penalty through long historical development, have formed a more self-contained system today.
在漫长的文体演变过程中，每一个后者都对前者在叙述时间、叙述视角、叙述模式上进行叙事距离的破坏；
During the long evolution of style, each follower destroyed its predecessor's narrative distance in terms of narrative time, narrative angle and narrative model.
在西方哲学史上，市民社会思想经历了漫长的演变过程，其中马克思的市民社会理论具有重要的地位和意义。
In the western philosophy history, the civil society thought has experienced a long evolution, in which Marx's civil society theory plays a tremendous role.
西方古典市场均衡理论由产生逐步走向成熟化，经过了漫长又艰辛的演变历程。
The evolvement of western classical market equilibrium theory has a very hard and long history from its birth to maturity.
土壤质量演变的自然过程是漫长的和相对稳定的，而人类活动对土壤质量的影响则是更为强烈的因素。
Human activities are the intensive factors in soil quality, while, the natural process is relatively long and steady.
大学教育理念经历了一个漫长的历史演变过程。
The concept of the university education has experienced a long time of historical change.
与全球经济的一体化相适应，全球汇率制度经过漫长的演变而形成一定的体系。
With adaptation of global economy's unification, global exchange rate institution has undertaken the evolution for a long time and formed a certain system.
诗，是一个不断流变的概念。从广义的“文化之诗”演变成狭义的“文学之诗”，其间经历了一个漫长的历史过程。
Poetry, a concept like flowing water, keeps changing in the course of history, and the transition from poetry of culture to poetry of literature is really a very long period.
诗，是一个不断流变的概念。从广义的“文化之诗”演变成狭义的“文学之诗”，其间经历了一个漫长的历史过程。
Poetry, a concept like flowing water, keeps changing in the course of history, and the transition from poetry of culture to poetry of literature is really a very long period.
应用推荐