Good Article, Ding!
It appears that officials of the Chinese Foreign Ministry know very little about international laws and practices. Significant terms like: Sovereignty and Sea Territory may sound like alien language to them.

This article corresponds with my two previous posts on last screen with the names:
"I Do Think China Committed A Mistake," and
"Hu Jin-tao's Wishful Thinking Is Impractical." Though these two posts are in English, yet, they are in easy-to-understand English.

I just feel that the so-called "East Sea Sino-Japan Mutual Exploration Agreement" is a snap on the face of China and all Chinese!