黑龙江省地处东北地区北部，位于东北亚地区的中心地带，具有参与和推动东北亚经济合作的良好区位优势。
Heilongjiang Province locates in the center part of Northeast Asia. It has advantages in participating and promoting Northeast Asian economic cooperation.
东北亚地区既是中国开展区域经济合作的重点地区，也是难点地区。
Northeast Asia is not only an important area in the regional cooperation in China, but also a difficult area.
第一部分，东北亚地区经济合作的区位分析。
The first part, analyzed the niche of the northeast Asia's economic cooperation.
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