The essence of history study is to discover the inner link among historical facts.

历史研究本质上是发现史实之间的内在联系。

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This article is a discussion about distribution of light intensity on the image of the imagery system, through which it brings to light the inner link between geometrical image and diffraction image.

本文通过对成象系统中象面上光强度分布的讨论，揭示了几何光学成象与衍射成象之间的内在联系。

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Convertible currency and exchange rate have intense inner link.

货币可兑换与汇率机制具有紧密的内在联系。

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Instead of simply hitting back hard on gun control measures, they should be making the critical link between surges in gun violence and unemployment particularly in the inner city.

FORBES: The Best Gun Control Measure Is Always A Job