“polyethylene”概念、定义、翻译-科学时代

单词	polyethylene
释义	请查阅polyethylene--polyethylene (PE)
随便看	internal control internal control internal control internal control internal control audit internal control deficiency internal control evaluation internal control evaluation questionnaire internal control quality internal control questionnaire internal control questionnaire--internal control questionnaire（ICQ） internal control questionnaire（ICQ） internal control system internal control system Internal Control — Integrated Framework internal conversion internal conversion internal conversion internal conversion internal conversion coefficient internal conversion coefficient internal conversion electron internal conversion electron pair internal conversion electron pair formation internal conversion electron pair production

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。