“听众占有率”的概念、定义、翻译、参考文献-科学参考

单词	听众占有率
释义	听众占有率 Encyclopedia 理学媒介接触释 radio audience share听众占有率在特定时段内收听某一频率（节目）的人数占同一时段所有收听广播人数的百分比，或在特定时段内某一频率（节目）的广播收听率占所有频率的总体广播收听率的百分比。又称市场占有率、听众份额。
随便看	backplan back plane backplane back pressure heat and power cogeneration back pressure test for gas well back pressure turbine backproject backprojection operator back propagation back-propagation back propagation algorithm back-propagation algorithm back propagation network back propagation neural network back-propagation neural network back propagation of errors network back propagation，BP back reaction backreflection back reflective material backrope backsaw backscatter backscatter cross-section back scattered electron

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。