海洋产业结构的优化标准是提高其第三产业比重吗？

Is Optimization Standard of Marine Industrial Structure the Improvement of its Tertiary Industry's Proportion?

youdao

海洋产业结构的优化标准是提高其第三产业比重吗？

Is Optimization Standard of Marine Industrial Structure the Improvement of its Tertiary Industry's Proportion?

youdao