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China's domestically-produced navigation system aims to take 70-to-80-percent of the now GPS-dominated domestic market by 2020.
目前中國國內市場以GPS（全球衛星定位系統）為主，而國產導航系統旨在2020年前在國內市場占有70%-80%的份額。
A spokesman for the BeiDou Navigation Satellite System says the system will hold 15 to 20 percent of the market share by 2015.
北斗衛星導航系統的一位發言人表示，該系統在2015年前將占有15%-20%的市場份額。
Ran Chengqi also announced that the BeiDou system began providing positioning, navigation, timing and short message services to civilian users in China and surrounding areas in the Asia-Pacific region on Thursday.
發言人冉承其宣布，北斗衛星導航系統從周四開始提供定位、導航、授時和短報文信息服務，覆蓋中國民間用戶及周邊地區在內的亞太大部分地區。
China launched the first satellite for the BeiDou system in 2000, and a preliminary version of the system has been used in traffic control, weather forecasting and disaster relief on a trial basis since 2003.
中國于2000年發射了第一顆北斗導航衛星，北斗衛星的初級系統于2003年試用，應用于交通管制、天氣預報和災難救援等。
South Korea has formally submitted a claim to an extended portion of the continental shelf in the East China Sea to the United Nations.
韓國正式向聯合國提交了東海大陸架劃界擴充案。
The report says the outer limit of the country's continental shelf extends to the Okinawa Trough.
在該文件中闡明韓國的大陸架界線自然延伸至沖繩海槽。
South Korea's foreign ministry says the final decision on the demarcation will be made through consultations with China and Japan, which have different claims.
韓國外交部表示，中國和日本對相關海域的界線確定持不同意見，最終劃界將通過當事國的談判來決定。
