这套处理系统会在排放压舱水前中和掉水中的氯，使它失效。
The treatment system neutralizes the chlorine before it's released, which makes it inactive.
这套方案的目的是在排放压舱水杀死其中的生物。
The idea is to kill the organisms in the water before the ballast is released.
人们也在努力阻止入侵性物种通过船舶压舱水的装载和排放而扩散。
Efforts are also being made to prevent the spread of invasive species through the taking on and discharging of ships' ballast water.
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。
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.
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