The net increase of grain

• 粮食净增量

The net increase of grain的用法和样例：

例句

1. A new principle of traffic pattern recognition based on the net increment and the intensity of gradient change of the traffic demand is presented.
   在此基础上，提出以电梯交通需求净增量及其变化率强度为依据的交通模式划分的新规则。