| 摘要 |
<p>A modulated eiderdown or feather-bed consisted of elements assembled by zip fasteners or buttons. The elements, which are similar in shape and size, are made of materials of varying thermal properties. Assembling the various elements according to the desired warmth makes it possible to form a personalized eiderdown or feather-bed for the greater comfort of the users, particularly in the frequent case of beds for two people, one of whom is more sensitive to the cold than the other.</p> |
