Bitu Com provides high-quality original design materials, high-quality PPT templates, high-definition galleries, graphic design, posters, exhibition boards and other major design industry materials. Download high-quality HD materials and go to Bitu. com。

Pen Web is an auxiliary tool for writing and innovation based on big data, which contains more than 300 million metadata and 654.38+0.5 billion citation data, covering books, periodicals, dissertations, conference papers, newspapers, standards, patents, Internet blogs and other literature types. Based on this massive data and the powerful big data technology of penholder, penholder provides a series of literature service functions for academic creation. The platform focuses on graduation thesis writing and thesis title writing services, and is currently divided into six modules: topic selection analysis, data collection, outline recommendation, online writing, reference and paper duplication checking.