helicopter logging

例句：

1. 1. Helicopter logging is a common method for surveying forests in remote areas.
   直升机航拍是偏远地区森林调查的常见方法。
2. 2.The helicopter was used to gather data for the environmental impact assessment.
   直升机被用来收集环境影响评估的数据。
3. 3. During the logging season, helicopters are often used to quickly assess the damage caused by the harvesters.
   在伐木季节，直升机经常被用来快速评估收获机造成的损害。