“harmonic pencil”的概念、定义、翻译、参考文献-科学参考

单词	harmonic pencil
释义	harmonic pencil 调和束
随便看	landing flap landing flare landing-gear landing gear landing gear shock absorber landing gear torque arm landing ground landing hire landing joist landing leg landing light landing load landing newel landing of beam landing order landing parachute landing pier landing place landing platform landing procedure landing quality terms landing quay landing rocket landing runway landing shaft

科学参考收录了1248194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。