“步距”概念、定义、翻译-科学时代

单词	步距
释义	动力与电气工程词汇手册步距 step pitch
随便看	donor donor donor donor donor-acceptor pair donor-acceptor pair luminescence donor charge donor country donor country Donor Country Content Rule donor density donor dopant donor file donor impurity level donor ionization energy donor-specific phage do not crush do not drop do not stack on top do not stow in damp place do not turn over do not turn upside down Donoughmore Committee Donovan Commission Donovan，Richard

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。