但如果他们干涉外汇市场让货币贬值，又反过来会加剧通货膨胀。
But if their interventions in the foreign-exchange market drive the currency down, that may boost inflation.
这个塔又反过来把光以3米宽的光束集中反射到地上，这样可以产生热量和发电。
That, in turn, bounces the light down in a concentrated beam about a metre (3ft) wide to produce heat and drive generators.
基于物种关系的一个分析表明，进化路线有时是从有斑点到无斑点，有时又反过来，这取决于栖息地在哪里。
An analysis based on the relationship between the species, though, shows that evolutionary lines can swap from spots to no spots, and vice versa, as the habitat dictates.
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