As the soil pests live in the soil depths, the pesticide spraying by ordinary sprayer can't enter into soil, It is very difficult to get rid of them.

由于地下病虫害发生在土壤深处，普通施药机械的药液难以深入土层，给防治带来困难。

The goal was to let farmers precisely target pesticide spraying rather than rain poison on a whole field, which invariably includes plants that don't have pest problems.

目的是为了让农民精确地确定喷洒杀虫剂的地方而无需把整块地都撒上药，因为那样做毫无疑问要殃及没染上害虫的植物。

To attain good landscaping of cold season admixed lawn, firstly the grass seeds must be fit together optimized; watering, pruning and pesticide spraying must be managed scientifically.

要使冷季型混合草坪产生良好的景观效果，首先要对草种进行优化组合，其次浇水、施肥、修剪、打药等要讲科学。

This paper discussed the necessity of oil-repellent finishing of the filter with polypropylene meltblown nonwovens for protective face mask using in pesticide spraying and carried out the finishing.

讨论了农药喷施用防护口罩过滤材料熔喷聚丙烯非织造布拒油整理的必要性，进行了过滤材料的拒油整理。

The spraying target object from the non-spraying target object could be distinguished according to study in the paper, which should contribute to the realization of the precision pesticide spraying.

本文的研究能够为分离施药目标与非施药目标提供依据，有助于精确农药喷雾的实现。