The response to a question that ought never to have been asked if the questioner had taken the trouble to read the documentation. More vehement variants include RTBM and RTFM.
科学参考收录了60776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。