zone melting with focused radiation

例句：

1. 1. The studyof the zone melting process is crucialfor understanding the behavior of ice sheets.
   研究区域熔化过程对于理解冰盖的行为至关重要。
2. 2. The scientists have discovered that the zonemelting can be influenced by various factors.
   科学家们发现，区域熔化可以受到各种因素的影响。
3. 3. The melting of the glaciers in the Arctic region has been amajor concern for environmentalists.
   北极地区的冰川融化一直是环保人士的严重关切。