The final currency conversion difference, the balance item, is calculated and booked using the rules in the general configuration.

最终的货币转换差异（余额项）通过一般配置中的规则计算并登账。

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The structure would utilize atmospheric energy conversion by converting the difference in atmospheric pressure at the top and bottom of the structure into electrical power.

这个建筑将利用大气能量的转化——将顶部和底部大气压的压差转化为电能。

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You use that, combined with the difference between the lowercase and uppercase values, to perform the conversion.

用该值结合大写和小写值间的差执行转换。

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Another explanation for any difference between how much items cost and what actually appears on a credit card statement is Dynamic Currency Conversion.

FORBES: Avoiding Credit Card Ripoffs While Abroad