.com (commercial)
Pronounced dot com. The Internet generic Top Level Domain (gTLD) reserved
exclusively for commercial organizations. This is an unsponsored domain. See also gTLD, Internet, and unsponsored domain.
科学参考收录了5291条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。