“bear punch”概念、定义、翻译-科学时代

单词	bear punch
释义	矿业工程技术词汇手册 bear punch 手动穿孔机
随便看	science and technology document science and technology education science and technology information source science and technology press science and technology thesis science-based discipline science-based industrial park science citation science citation index Science Citation Index（SCI） science consultant science course science education science education association science faculty science fiction science fiction science-fictioneer science-fictioner science-fictionist science fiction writer science fiction writers association science information science information exchange science instruction

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。