Summarize Abstract

Please summarize the content of the provided paper abstract in terms of the paper's 'research purpose, methodology, main findings, and significance'. Each part should refer to the following content: Research Purpose: The abstract succinctly outlines the main objectives of the research or the primary problem to be addressed. Methodology: Briefly describe the main methods or experimental design used in the study. Main Findings: The abstract usually includes the key results or discoveries of the research. Significance: The abstract may briefly state the significance of the research, that is, why the study is important.