“文档集模型”的概念、定义、翻译、参考文献-科学参考

单词	文档集模型
释义	文档集模型 Encyclopedia 理学文档表示释 document collection models文档集模型在信息检索模型中，文档集模型是指对整个文档集合构建一个语言模型，用以解决语言排序模型中参数稀疏的问题。
随便看	doppler observation doppleron doppler orbit determination and radio positioning integrated on satellite，DORIS Doppler parameter Doppler peak doppler point positioning Doppler Polar Monitoring Service Doppler positioning doppler positioning by the short arc method Doppler profile Doppler radar Doppler ranging Doppler receiver Doppler relation Doppler shift Doppler shift attenuation method Doppler shift attenuation method DSAM Doppler-shift measurement doppler sonar Doppler spread Doppler system with double frequency Doppler system with single frequency Doppler translocation doppler translocation Doppler ultrasound

科学参考收录了854744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。