research ship of opportunity
... research satellite for geophysics 地球物理研究卫星 research ship of opportunity 兼任海洋研究的商船 research ship 勘查船 ...
基于24个网页-相关网页
... 技术研究船 technical research ship 兼用研究船 research ship of opportunity 考察研究船 research vessel ...
基于3个网页-相关网页
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