“safety need”概念、定义、翻译-科学时代

单词	safety need
释义	市场营销词汇手册 safety need 安全需要，安全感需要
随便看	burning of coal particles burning-off of coke burning oil burning on burning period burning rate burning rate burning rate burning rate burning rate coefficient burning rate modifier burning rate pressure exponent burning ratio burning resistance burning sensation burning surface to port area ratio burning surface to throat area ratio burning temperature burning test burning urination burning velocity burning velocity burning velocity burning velocity burning velocity

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。

safety need