“attraction to the center of the earth”的概念、定义、翻译、参考文献-科学参考

单词	attraction to the center of the earth
释义	attraction to the center of the earth 地心引力
随便看	shielded metal (manual electric) arc welding shielded nucleus shielded nuclide shielded oscillator shielded pair shielded pair cable shielded-plate tube shielded plug shielded pole instrument shielded-pole motor shielded probe shielded thermocouple shielded transformer shielded wire shield effectiveness shield engineering shield facility shield factor shield gas shield gas flow rate shield grafting shield grid shield-grid thyratron shield inert gas metal arc welding shielding

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。