“直播卫星业务”的概念、定义、翻译、参考文献-科学参考

单词	直播卫星业务
释义	直播卫星业务 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	powder metallurgy alloy steels powder metallurgy aluminium alloy powder metallurgy aluminum alloys powder metallurgy anti-friction materials powder metallurgy bearing powder metallurgy composites powder metallurgy copper alloys powder metallurgy friction materials powder metallurgy iron-based products powder metallurgy magnetic materials powder metallurgy material powder metallurgy materials with surper-fine crystalline structure powder metallurgy mechanical parts powder metallurgy of metal matrix composites powder metallurgy porous materials powder metallurgy refractory metal materials powder-metallurgy sand screen powder metallurgy science powder metallurgy superalloy powder metallurgy superalloys powder metallurgy sweating materials powder metallurgy titanium alloys powder metallurgy titanium aluminide powder method powder mildew of rubber tree

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。