The Chinese Arctic Research Expedition 1999 made an ozone observation program possible over the Chukchi Sea in the Arctic Ocean.
中国北极科学探测1999在北冰洋楚可奇海域成功的进行了大气臭氧观测。
The Chinese Arctic Research Expedition 1999 made an ozone observation program possible over the Chukchi Sea in the Arctic Ocean.
中国北极科学探测1999在北冰洋楚可奇海域成功的进行了大气臭氧观测。
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