pesticide spray 农药喷洒
pesticide spray technique 农药喷撒技术
pesticide spray distribution 农药沉积分布
Pesticide of spray-free 免喷型农药
pesticide of spray free 免喷型农药
The tiny airborne vessels will soon clean Windows on skyscrapers, verify insurance claims and spray pesticide on crops.
看似瘦小的无人机很快就可以给高楼擦玻璃；核实保险索赔，还可能给农作物施肥。
To the wind the prevention: early spring old bark, winter destroy sunflower, corn testament, spray pesticide plant high-efficiency.
防治法：早春刮去老树皮，冬季毁灭向日葵、玉米遗株，喷洒高效低毒农药。
"Spiders are key predators of insects and can alleviate the need for farmers to spray large quantities of pesticide," Reynolds said.
“蜘蛛是昆虫的天敌，有了它能避免农民大量喷洒杀虫剂”，雷诺兹说。
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