Many species of alien marine organism were introduced to China by intentional introduction for their economic or social significances or by unconscious activities such as ballast water discharge.
外来海洋生物是基于某一物种所具有的经济或社会意义而从外地有目的地引进,或者由于无意识的活动如航运业中的船体附着以及压舱水的排放等而带入的。
Many species of alien marine organism were introduced to China by intentional introduction for their economic or social significances or by unconscious activities such as ballast water discharge.
外来海洋生物是基于某一物种所具有的经济或社会意义而从外地有目的地引进,或者由于无意识的活动如航运业中的船体附着以及压舱水的排放等而带入的。
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