Falling grain prices have taken some pressure off producers, he said, but not enough.
略微将跌的谷物价格使得生产者的压力有所降低，但是，这还不够。Roenigk说。
2
Grain depot pressure sensor network system includes the architecture of the entire network and a sensor layout model in the depots.
粮库压力传感器网络体系包括整个网络的架构和粮库内传感器布置模型。
3
While the system was beneficial for small farmers and consumers, steady lobbying pressure from big grain companies and commodities traders eroded the system over the next 50 years.