求翻译：研究表明，在文中工况下，蒸发浓缩溶液沸点升在8℃以内的溶液时，基于自回热理论设计出两效MVR蒸发系统较单效MVR蒸发平均节约50.6%的能量消耗；是什么意思？

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The study shows that in the text conditions, evaporating solvent boiling point in a condensed 8℃ within the solution is based on a conceptual designs for replacing the thermal efficiency of two MVR vaporization systems than single-MVR evaporation save on average 50.6 per cent of the energy consumpti

The research indicated that, in the article under the operating mode, the evaporation concentration solution boiling point rises when 8℃ the within solution, based on from the regeneration theoretical design two effect MVR evaporation system compares the single effect MVR evaporation average to save

Studies have shown that conditions in the text, evaporation solution boiling point rise in 8 ℃ within the solution, based on the theory of regenerative design two effect MVR evaporation system with single-effect MVR evaporation average 50.6% less energy consumption;

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