天气预报 > 其他 > 鲨鱼能看见不动的物体吗
鲨鱼能看见不动的物体吗
更新时间: 2020-09-16 00:00:00  

鲨鱼有色彩缺省:它没有像人类一样的光感受器,眼睛中的视锥细胞极少,因此鲨鱼几乎看不到任何颜色。同时,鲨鱼眼中的视杆细胞“体型”很大,但数量很少,很难捕捉到光线。所以鲨鱼的视觉比人类迟钝,所以鲨鱼看不见静止的东西。

关键词: 鲨鱼 看见 物体

鲨鱼能看见不动的物体吗相关经验

天气预报

最新推荐

页面:/news/view-3043454/ | 耗时:0.3306 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=3043454 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3043454 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3043454 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1081065,1086348,1115941,1130118,1064383,1054676,1078679,1067717,1067015,1054612,1099779,1087561,1049422,1071131,1069505,1062880,1114278,1047503,1060635,1049836,1129209,1092656,1064613,1066226,1060657,1129449,1131237,1116289,1118861,2943344) ORDER BY field (ArticleID,1081065,1086348,1115941,1130118,1064383,1054676,1078679,1067717,1067015,1054612,1099779,1087561,1049422,1071131,1069505,1062880,1114278,1047503,1060635,1049836,1129209,1092656,1064613,1066226,1060657,1129449,1131237,1116289,1118861,2943344)