yán jiū / rén yuán / bǎ / bǎn zhuàng / cái liào / dié jiā / qǐ lái / yǐ / tí gāo / qiáng tǐ / de / gé rè / xìng néng研究人员把板状材料叠加起来,以提高墙体的隔热性能。The researchers layered the board-shaped materials to improve the wall's thermal insulation.