英语词汇primary and secondary data怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	primary and secondary data
释义	primary and secondary— 主从
随便看	at the time making at the time of at the time of acceptance. at the time of acquisition at the time of adopting at the time of agreeing on at the time of application at the time of applying at the time of approval at the time of Assembly at the time of Assembly at the time of assignment at the time of birth at the time of booking at the time of check-in at the time of collection at the time of Commission at the time of Commission at the time of communication at the time of compilation at the time of concluding the at the time of construction at the time of contracting at the time of death at the time of decision

primary and secondary—