...限元；热传导；日较差 [gap=1261]Key words:the aqueduct;finite element;thermal conductivity;day difference in temperature ...
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In the Sahara, the difference in temperature between the day and the night is pretty big.
在撒哈拉沙漠，昼夜温差很大。
Reporter learned yesterday from the city hospitals, the recent large temperature difference between day and night, the hospital was significantly increased in stroke patients.
记者昨日从我市各医院了解到，近来昼夜温差大，医院内脑中风患者明显增多。
Cold winter, cool in summer, big temperature difference between day and night.
冬季寒冷，夏季凉爽，昼夜温差大。
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