求翻译：3. 第三，国家组织重大科技攻关，在重要领域保持科技领先地位或保持国际先进水平。既要坚持国际合作，更要坚持独立自主、自力更生。是什么意思？

Third, the national organization of major scientific and technological, in important areas to maintain technological leadership position or to maintain the international advanced level. While adhering to the international cooperation, but also to adhere to an independent, self-reliance.

3.- The first 3, the national organization of a significant scientific and technological research, science and technology in the important areas or to stay ahead of international advanced level. It is necessary to adhere to international cooperation, and more to maintain their independence and self-

3. Third, National Organization significant science and technology attack, in important domain maintenance science and technology leading status or maintenance international advanced level.Also must persist the international cooperation, needs to persist maintains independence and keeps initiative,

3. third, the national major scientific and technological research, and maintain technology leadership in important or maintain the international advanced level. We should insist on international cooperation, to insist on independence, self-reliance.

正在翻译，请等待...