数字对象标识符（DOI）

一个 数字对象标识符 (DOI) is a unique alphanumeric string assigned to a 数字对象, such as a research paper or dataset, to provide a permanent link to its location on the internet. It facilitates the efficient retrieval and citation of digital content, ensuring that researchers and practitioners can easily access and reference the work. By standardizing the identification of digital objects, DOIs enhance the integrity and accessibility of scholarly communication and innovation in product design and research.