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3It wasn’t the first time that nations at war turned to seaweed. During the First World War, the U.S. relied on the giant kelp seaweed (Macrocystis) to boost production of potash (a fertilizer produced in Germany), gunpowder, and acetone.
。爱思助手下载最新版本对此有专业解读
Principle http://www.objectmentor.com/resources/articles/dip.pdf
第四十七条 涉及国家海洋权益的自然保护区，由国务院林业草原主管部门会同有关部门根据本条例制定具体管理办法。