| 1. | Then you need a free and undamaged landing field 然后你需要一个空闲的未损坏的机场。 |
| 2. | The pilot shut off the motors and glided down to the landing field 驾驶员关了发动机,滑行降到机场上。 |
| 3. | Main landing field primary landing site 主着陆场 |
| 4. | Effect of straw cover on wheat yield and soil environment in dry land field 稻草覆盖对旱地小麦产量与土壤环境的影响 |
| 5. | Alternate landing field 另择降落机场 |
| 6. | In their attempt to retake the island s landing field , the japanese are outnumbered four to one 在为期六个月的战事,近三万人阵亡,战况极其惨烈. . |
| 7. | Planes cannot take off using the same landing field while another aircraft is taking off or landing 当一架飞机起飞或着陆的同时,另一架飞机不能使用同一条跑道。 |