田野工作

yán jiū cǎi yòng le tián yě gōng zuò hé xiāng guān yán jiū de fāng fǎ

研究采用了田野工作和相关研究的方法。

This research adopted the method of correlation study and fieldwork.

tián yě gōng zuò yòu chēng tián yě diào chá

田野工作又称田野调查。

The word of fieldwork is also named field-research.