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记录- Documentary

24:18
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20170925 走近科学会找癌细胞的机器人

by admin 2 hours ago
24:13
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20170925 地理中国宝华寻奇（上）

by admin 2 hours ago
36:26
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20170925 健康之路顺时养出健康来·秋（四）

by admin 2 hours ago
58:51
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20170925 自然传奇亚马逊纪事

by admin 2 hours ago
23:44
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20170925 读书发现石峁古城

by admin 2 hours ago
00:55
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20170926 地理中国地质奇观造就佛教名山心形“佛光”

by admin 2 hours ago
02:12
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20170926 地理中国它为何成为佛教名山？

by admin 2 hours ago
00:36
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20170926 地理中国雁荡山成为专业驴友穿越的必经地

by admin 2 hours ago
00:55
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20170926 地理中国大龙湫瀑布的源头成为雁荡山为何称为破山口的重要证据

by admin 2 hours ago
01:12
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20170926 地理中国为中国火山研究留下珍贵的资料

by admin 2 hours ago
00:42
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20170926 地理中国什么力量造就了雁荡山的奇特景观？

by admin 2 hours ago
02:27
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20170926 地理中国路途中差点坠崖

by admin 2 hours ago
44:40
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聊聊三官经（一）

by admin 1 day ago
02:32
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20170922 地理中国 “石头城”变宝石城

by admin 1 day ago
02:55
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20170922 地理中国玉料为何在路上运送三年？

by admin 1 day ago
02:55
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20170922 地理中国绿色宝石隐藏其中

by admin 1 day ago
01:50
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20170922 地理中国为何蓝宝石绿宝石相伴出现？

by admin 1 day ago
02:33
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20170922 地理中国一千克分量金光灿灿

by admin 1 day ago
02:28
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20170922 地理中国为何“金属泡沫”能够变形？

by admin 1 day ago
03:52
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20170922 地理中国为何耐高温有太阳纹？

by admin 1 day ago
03:01
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20170922 地理中国潜水员捞出神秘石头，稍加打磨呈现太阳放射纹

by admin 1 day ago
02:23
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20170922 地理中国山东艺人还原四千年前的龙山文化黑陶制法

by admin 1 day ago
01:52
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20170922 地理中国炼出怪异黑色金属

by admin 1 day ago
02:46
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20170922 地理中国人形石下怪石组成奇异阵势

by admin 1 day ago
02:55
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20170922 地理中国为何鸟巢钢材制法是个秘密？

by admin 1 day ago
02:59
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20170922 自然传奇为何站都站不稳的小狐獴就开始学习挖洞？

by admin 1 day ago
01:00
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20170922 自然传奇伤口灼热难忍

by admin 1 day ago
04:26
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20170922 自然传奇严苛环境造就最毒蛇

by admin 1 day ago
02:27
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20170922 自然传奇美洲豹水下给鳄鱼致命一击

by admin 1 day ago
01:18
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20170922 自然传奇熊类打起架来不分雌雄老幼

by admin 1 day ago
01:56
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20170922 自然传奇为何欧洲用“三月的野兔”形容疯狂？看了就知道

by admin 1 day ago
03:10
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20170922 自然传奇长颈鹿“脖击”术决胜负

by admin 1 day ago
02:04
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20170922 自然传奇疯狂追逐纵情呐喊

by admin 1 day ago
04:37
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20170922 自然传奇超可爱！小棕熊学爬树萌态十足

by admin 1 day ago
03:23
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20170922 自然传奇不吃不喝三个月诞下宝宝

by admin 1 day ago
06:09
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20170922 自然传奇饿了啥都吃！饥肠辘辘的小棕熊与猴子抢午餐

by admin 1 day ago
12:57
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20170922 自然传奇从此开始了动荡的生活旅程

by admin 1 day ago
24:59
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20170922 科技之光刷牙的讲究

by admin 1 day ago
49:19
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20170922 我爱发明越野悍将

by admin 1 day ago
10:05
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20170922 自然传奇狮子和猎豹

by admin 1 day ago
24:17
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20170922 人物共享单车推动者胡玮炜

by admin 1 day ago
04:02
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20170923 科技之光刷牙的讲究

by admin 1 day ago
09:12
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20170923 科技之光刷牙期的选择

by admin 1 day ago
10:16
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20170923 科技之光掉牙的烦恼

by admin 1 day ago

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