在夏季用太阳能维持温差电偶吸热端较高的温度，用地下水维持温差电偶吸冷端较低的温度。
In summer higher temperature on the absorbing heat end of thermocouple is maintained by solar energy and lower temperature on the absorbing cold end of thermocouple is maintained.
测试结果表明：由设计的元件制作出的分段温差电单偶的热电转换效率达到了7.31%。
The test results have shown that the thermoelectric conversion efficiency of segmented thermoelectric unicouple made by designed element reached to 7.31%.
测试结果表明：由设计的元件制作出的分段温差电单偶的热电转换效率达到了7.31%。
The test results have shown that the thermoelectric conversion efficiency of segmented thermoelectric unicouple made by designed element reached to 7.31%.
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