“系统样本”概念、定义、翻译-科学时代

单词	系统样本
释义	人口学词汇手册系统样本 systematic sample
随便看	Panama Canal Panama Canal Cargo Declaration Panama Canal Management Panama Canal Treaty Panama City Panama Congress Panama hat plant Panamanian balboa Panama toll Pan-American Broadcasting Company Pan-American Conference Pan-American Congress （PAC） Pan-Americanism pan-Americanism Pan-American Union Pan-American Union Pan-American Union pan and tilt pananxiety Pan-Arabism Pan-Arabism pan-Arabism panarteritis panary fermentation Panasonic

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。