| 摘要 |
<P>PROBLEM TO BE SOLVED: To emit light according to visual sensitivity of fishes. <P>SOLUTION: A fish preserve 1 for culturing fishes is provided with light emission elements 6a, 6b, 6c for emitting at least two types of lights having peak wavelengths of the light emission different by 5 nm or more with one another in a range from 400 nm to 570 nm. <P>COPYRIGHT: (C)2013,JPO&INPIT |
