“permeable base transistor (PBT)”概念、定义、翻译-科学时代

单词	permeable base transistor (PBT)
释义	材料学词汇手册 permeable base transistor (PBT) 可渗基区晶体管
随便看	safe custody business safe custody business safe custody charge safe custody charge safe custody fee safe deposit safe deposit safe deposit box safe-deposit company safe depth safe device safe distance safe dose safe dose safe dose rate Safe Drinking Water Act（SDWA） safe driver plan safe driving safe ejection envelope safe format safeguard safeguard safeguard clause safe guard clause safeguard clause

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。