Dr. Masashi Okuyama @masatheman 2017/12/30 7:59:01
北京がアメリカの排他的経済水域内にあるマリアナ海溝の一部の海洋調査を始めたらしい。
https://twitter.com/masatheman/status/946878250126426112

Ryan Martinson @rdmartinson88 2017/12/30 0:21:27
The People’s Republic of China (PRC) has began a major acoustics research project in the area of the Mariana Trench,
within the U.S. Exclusive Economic Zone.
http://epaper.oceanol.com/shtml/zghyb/20171228/71036.shtml
http://pbs.twimg.com/media/DSOUA-JXcAAfChA.jpg
https://twitter.com/rdmartinson88/status/946763099771691009