系统可以根据调整前后的农作物种植面积进行效益分析，利润分析，生成图表，能够直观动态地为决策提供支持。
The system may act according to adjusts the crops sown area to carry on the benefit analysis , the profit analysis , the production graph , The system can be direct-viewing dynamically provides the support for the decision-making .
利润图表