“备用信道”概念、定义、翻译-科学时代

单词	备用信道
释义	广播影视词汇手册备用信道 spare channel
随便看	overseas theater overseas tour overseas trade overseas trade overseas trade overseas trade overseas transportation overseas travel overseas unit replacement（system） overseas vocational training oversee oversee overseer oversell over-shipment overshipment overshoot overshoot over-shoot overshoot overshoot overshoot overshoot overshoot attack overshooting

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。