The hygroscopic material mentioned in this paper is a super absorbent polymer gel which absorbs aqueous solution of calcium chloride.

本文调湿板中的调湿材料是高分子树脂吸收了盐溶液后形成的凝胶。

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Inside the walls, roof and floor the insulation consists of wooden fibers - a hygroscopic material that allows for the construction to breath, excluding the need for mechanical ventilation.

墙、屋顶和地板内的绝缘材料是木纤维——一种吸水材料，可以让建筑透气，而不用机械通风。

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