名词
中文翻译：海试
同义词：
['marine trial', 'sea test']
例句：
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1.The new aircraft underwent a sea trial before its official launch.
这架飞机在正式投入运营前进行了海上试验。
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2. The company conducted a sea trial to evaluate the effectiveness of their new product.
该公司进行了海上试验，以评估其新产品的有效性。
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3.During the sea trial, the ship encountered severe weather conditions.
在海上试验期间，船只遇到了恶劣的天气条件。