At the same time , the fluid atomizing mathematical model of particle diameter and particle quantity were established , and also the analogy calculation of particle diameter and particle quantity were carried out . the feasibility is verified that the fluid atomizing mathematical model can make prediction on the atomizing performance of pesticide . these will provide scientific foundation and deinsectication technology for the development of precise agriculture 同时研究开发了粒径与粒数的液体微粒化计算模型,并对喷雾机和烟雾机进行了粒径与粒数的模拟计算,验证了液体微粒化计算模型对农药微粒化性能预测的可行性,为精准农业的发展提供了科学依据和防除技术。