SHANGHAI, Oct. 22 -- China has around ten marine research vessels under design or construction by the end of August 2017, according to the Oceanic Scientific Research Vessel Technology Summit 2017 held here on Friday.
It is learned at the summit that the country's first domestically built polar research vessel and icebreaker is expected to be put into use in 2019. The vessel will be able to break polar ice with both its bow and stern.
China has 50 marine research vessels at present, which fall into series including Dongfanghong, Xiangyanghong, Yuanwang, Haiyang, Kexue and Shiyan, said Xing Wenhua, president of Shanghai Society of Naval Architects and Ocean Engineers.
Qu Tanzhou, head of science and technology department under the State Oceanic Administration, said the number and performance of these research vessels are far from adequate in terms of global marine research and international cooperation.
人教新版英语六上 期末检测试题及听力材料 试题
人教新版英语六上 单元练习卷 试题1
人教新版英语六上 期末试题 试题4
人教新版英语六下 第一二单元综合测试题 试题
人教新版英语六下 期末考试题 试题
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外研版(一起)六年级英语下册期末模拟试题(一)
外研版(三起)六年级英语下册期末试卷
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外研版(一起)六年级英语下册期末试卷 1
外研版(一起)六年级英语下册期末综合模拟试题 3
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人教新版英语六上 期末试卷 试题2
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冀教版英语六下第一单元测试题
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| 英语教案 |
| 英语课件 |
| 英语试题 |
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