“距今”概念、定义、翻译-科学时代

单词	距今
释义	人类学词汇手册 before present （BP）距今
随便看	pressure jump technique pressure lamp pressure leaching pressure leaf filter pressureless compacting pressureless compacting pressureless sintering pressureless sintering pressure loss pressure loss pressure loss of air filter pressure mark pressure measurement probe pressure measuring instrument pressure measuring set pressure medium pressure-melting pressure meter pressure meter pressure mine pressure nozzle pressure nozzle atomization pressure phone pressure pipe pressure pipe

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。

before present （BP）