已经见诸报道的研究成功率不一。
对庄稼的重大破坏同样见诸报道，无论是在北美或者南美。
Extensive damage to crops has also been reported in both North and South America.
但当前对该类型喷嘴加湿性能的相关研究还较少见诸报道。
However, the related research is rarely reported on the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture.
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