cone emission

例句：

1. 1. The scientist observed thecone emission from the volcano.
   科学家观察到了火山的圆锥形发射体排放。
2. 2. The cone emission was a significant sourceof pollution in the area.
   圆锥形发射体排放是该地区的一个主要污染源。
3. 3.The cone emission is a complex process thatrequires careful monitoring.
   圆锥形发射体排放是一个复杂的过程，需要仔细监测。