“Direct Broadcasting Satellite (DBS) Service”的概念、定义、翻译、参考文献-科学参考

单词	Direct Broadcasting Satellite (DBS) Service
释义	Direct Broadcasting Satellite (DBS) Service Encyclopedia 工学直播卫星释 Direct Broadcasting Satellite (DBS) Service直播卫星业务利用直播卫星开展的卫星视频和音频广播业务，用户或最终用户直接从同步轨道直播卫星接收信号的卫星电视系统，信号以数字格式在微波频率下广播。
随便看	nonpolar substrate non-polar variation of latitude non-police activities non-pollution cultivation non-pollution point non-polynomial Lagrangian non-positional number system nonpositive nonpositive integer nonpositive integral kernel nonpositive matrix nonpositive operator nonpositive semi-definite matrix non-positivity nonpotenciality (nonpotentiality) of magnetic field non-potentiality non-potential motion non-precise data non-predicative non-predicative analysis non-predicative definition non-predicative formal theory non-predicative property non-preemptive multitasking non-preemptive priority

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。