WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...
Abstract: This study combines multi-source data with machine learning algorithms to achieve intelligent tourism information recommendation and visualization. The study first uses web crawlers and APIs ...
Abstract: Permanent magnet synchronous motors (PMSMs) are extensively utilized in industrial automation, transportation, and various other sectors owing to their superior efficiency, stability, and ...
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