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1 juin 1997 - 1997 中国自主研发的无缆水下深潜机器人 成功潜入水下6000米处进行科学试验

Description:

#1997.6

标志着中国海洋技术已跻身世界先进行列

Ajouté au bande de temps:

人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

ByGUZI
il y a 8 mois
4
0
3489

Date:

1 juin 1997
Maintenaint
~ Il y a 28 ans
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