字段标识

 检索式组合

((TS = (Smart agriculture*) OR TS = (wisdom agriculture*) OR TS = (intelligence agriculture*) OR TS =( intelligent Agroecosystem* )))

(TS = Population simulation OR TS = Spatialization of population) AND TS = Population forecast

解释：在主题= Population forecast 的前提下，含有Population simulation或者Spatialization of population

TS=Monte Carlo simulation

查找任何主题字段中包含检索词 Monte、Carlo 和 simulation 的出版物记录。这些检索词不需要出现在同一个字段中。

TS=”Monte Carlo simulation”

查找主题字段中包含精确短语 Monte Carlo simulation 的论文记录。

((TS=wetland* OR TS=bog OR TS=fen OR TS=swamp OR TS=marsh OR TS=peatland) AND (TS=map* OR TS=classif* OR TS=identif* OR TS=monitor* OR TS=invento*) AND (TS=”remote* sens” OR TS=”big data” OR TS=”data mini*” OR TS=”machine learning” OR TS=”deep learning” OR TS=”cloud compu*”) AND PY=(2000-2020))

参考：

http://images.webofknowledge.com//WOKRS535R95/help/zh_CN/WOK/hp_advanced_examples.html

https://blog.csdn.net/qq_42198024/article/details/103773049

https://blog.csdn.net/qq_42198024/article/details/103773711?utm_medium=distribute.pc_relevant.none-task-blog-title-2&spm=1001.2101.3001.4242