The first part introduction introduces the purpose and significance of this topics, content, research methods and main problem to be solved.
第一部分引言主要介绍了本文选题的目的和意义、研究内容、研究方法、拟解决的主要问题。
As optimization problems exist widely in all domains of scientific research and engineering application, research on optimization methods is of great theoretical significance and practical value.
优化问题大量存在于科学研究和工程应用中的各个领域，进行最优化方法的研究具有重要的理论意义和实用价值。
The first part is the introduction, which includes the research background and significance, the research aim and main content and methods.
第一部分是导论，包括研究的背景和意义，研究的目的和主要内容以及方法。
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