“四叶饰”概念、定义、翻译-科学时代

单词	四叶饰
释义	美术、书法与摄影词汇手册四叶饰 quatrefoil
随便看	pulse shaping pulse shaping network pulse signal pulse-size analyzer pulse solar simulator pulse solid rocket engine pulse spacing pulse spacing pulse spacing pulse spectrometer pulse spectrum pulse spectrum pulse strength pulse stretcher pulse stretching pulse-stretching circuit pulse survey pulse system pulse telemetry parameter pulse thermal reactor pulse time modulation pulse-time modulation pulse train pulse transducer pulse transmission

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。