这种统一是指你不能拥有一个而不拥有另一个，它就像一块磁铁的南北两极。你不能拥有一个单极磁铁。
If you cannot have one without the other, it is like the north and south poles of a magnet.
相信经历过南北战争的美国人民，不难理解统一对一个国家多么重要和珍贵。
I trust it is not difficult for the American people, who went through the American Civil War in their history, to understand how important and valuable unity is to a nation.
美国铁路直到十九世纪八十年代才采用统一的轨幅，这就使得南北方铁路间的互连不但非常复杂而且缓慢、昂贵。
Railroads in the United States did not settle on a uniform gauge until the 1880s, making interconnections between lines in the North and South complicated, slow, and expensive.
李世民顺应向往安定的民意，率领唐军转战南北，平灭了各种割据势力，统一了天下。
Li shi-mm conform to the opinion, led for stability, flat fought north and south during twilight destroyed various independent power, unified the world.
本方案设计了一条贯穿南北的景观道，新建教学楼与原有之教学楼分立两侧，使二者达到对比统一。
This proposal designs a scenery line through the north and south, the newly built teaching buildings and the original standing at each side, reaching contrasting unification.
第三阶段晚白垩世拗陷回返，结束了南北分带的地貌，形成了统一的简单洼地，接受了拗陷末期的沉积。
Because of its late subsidence, the different landforms in the south and north parts were unified into a simple depression, thus the late sedimentary formations were formed.
很难想象南北双方在统一半岛的方案上究竟怎样才能达成一致。
It is difficult to imagine how the North and South could ever agree on a formula to unify the divided peninsula.
在该区早期构造研究中得出的统一大规模东西向逆冲、南北成带的构造模式在人们的印象中根深蒂固。
The conclusion of the large scale united east-west trend and south-north belt tectonic pattern of its early tectonic research has left deep impressions in people's minds.
而在南北曲韵各自规范与统一的过程中，相互之间也产生了影响，并逐步出现融合的现象，这一现象在明清时期的南北曲韵谱中得到了体现。
They both had impacted on each other in the process of their own development and transformation, and gradually there came a fusion of them, which especially took shape in Ming and Qing dynasties.
从南北双方的实力对比来说，只有强大统一的南方才有可能战胜北方，但南方各地又利于割据，难以形成一体的力量。
From the comparison between the north and south, only powerful strength, unity is victory over the south have, but may also benefit of southern China, to form an independent power.
元世祖逐步巩固对北方的统治之后，就集中力量攻打南宋，终于灭了南宋。 公元1279年，实现了中国南北大统一。
After consolidating his hold emperor, historically known as over the north, he moved against the Southern Song Dynasty, which fell in 1279, and China was united once more.
元世祖逐步巩固对北方的统治之后，就集中力量攻打南宋，终于灭了南宋。 公元1279年，实现了中国南北大统一。
After consolidating his hold emperor, historically known as over the north, he moved against the Southern Song Dynasty, which fell in 1279, and China was united once more.
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