过去海域开发多遵循平面管理模式,一片海域仅限单一项目落地。如今,我国创新推行海域立体分层设权制度,打破平面用海局限,实现水面、水体、海床、底土多层开发,推动海洋资源集约高效利用,助力海洋经济高质量发展。

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