“Christmas tree”概念、定义、翻译-科学时代

单词	Christmas tree
释义	宗教词汇手册 Christmas tree 〈基督教〉圣诞树
随便看	proportion proportion proportion proportion proportion proportion proportion proportion proportional proportional proportional-action coefficient proportional allocation proportional analogy proportional band proportional band proportional body-measuring unit proportional chamber proportional circle proportional circle map proportional coefficient proportional control proportional control proportional control proportional control proportional controller

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。