这套处理系统是按照国际标准设计的，可以限制压舱水中的生物含量。
The treatment system is designed to meet international standards that limit the number of living organisms in ballast water.
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.
海洋生物入侵是由船舶压载舱中外来植物和动物的转移造成的。
Marine bio-invasions are caused by the transfer of alien plants and animals in ships’ ballast tanks.
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