好看的中文字幕av,巨尻av在线,亚洲网视频,逼特视频,伊人久久综合一区二区,可以直接观看的av网站,天堂中文资源在线观看

Chinese research vessel departs for seamounts in Mariana Trench

Xinhua | Updated: 2019-05-19 08:58
Share
Share - WeChat
Chinese research vessel Science waits to depart from the city of Qingdao, East China's Shandong province, May 18, 2019. [Photo/Xinhua]

It is estimated that there are more than 30,000 seamounts in the oceans. Over 60 percent are in the Pacific. With rich fishing, mineral resources and a diversity of marine organism, seamounts are attractive for scientific research and commercial activities.

|<< Previous 1 2 3 4 Next   >>|
Top
BACK TO THE TOP
English
Copyright 1994 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US