“focal reducer”概念、定义、翻译-科学时代

单词	focal reducer
释义	天文学词汇手册 focal reducer 缩焦器
随便看	delayed telemetry delayed-type hypersensitivity (DTH) delay electric detonator delay equalizer de-layering delay error delay fault delay in commencement of a voyage delay in delivery delaying action delaying force delay in payment delay in shipment delay in traffic delay line delay line delay line delay line storage delay modulation delay number delay number delay parameter delay period delay primer delay relay

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。