渔业资源的增殖和保护。
农机化系统必须适应、改善环境，立足于资源的保护、增殖和永续、长久的利用。
The agricultural mechanization system must be adapted to and improved the environment, also based on the protection and increase of resources and their permanent utilization.
可以确认，在渤海放流对虾苗种增殖对虾资源，不仅是可行的而且是必要的。
It would be affirmed that adopting measores of releasing shrimp fry into the Bohai Sea to enhance shrimp stock is not only workable but also necessary.
可以确认，在渤海放流对虾苗种增殖对虾资源，不仅是可行的而且是必要的。
It would be affirmed that adopting measores of releasing shrimp fry into the Bohai Sea to enhance shrimp stock is not only workable but also necessary.
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