n.供给；供应；伙食
Preempt right was changed into military purveyance.Military purveyance did great harm to social economy as well as peasants' produce and life.Purveya... 王室采买权也历经变化,英国资产阶级革命时期被废除,作为它的衍生物的军事强买权也随之成为一个历史名词。
The conclusions are as following: The fluctuation of purveyance production is related with grain yield, especially the production of maize is the dominant factor. 研究发现：这种波动与主要粮食作物的产量密切相关，其中玉米产量的影响最大；
Military Purveyance in Medieval England 中世纪英国的军事强买权
purveyance chain 供应链
