In Tuanjie village, outside Gyegu, relief workers distributed blankets at the local monastery but said the high altitude is limiting their ability to fly in food.
在结古镇团结村，救援人员在当地的寺院中分发毛毯，但他们表示，高海拔的地形限制了他们空投食物的能力。
It needs medium altitude high endurance UAVs to fly over the Mediterranean Sea to control migration from Africa to Europe.
它需要中高，高耐用性无人机飞越地中海，以控制从非洲到欧洲的迁移。
Unlike high altitude aircraft, helicopters aren't so vulnerable to being seen by radar, as they fly low and are often hidden by the terrain. The big issue is the sound.
与在高空飞行的飞机不同，直升机不容易被雷达发现，因为它的飞行高度较低，且常常被地形所隐藏，因此最大的问题是噪音。
Helicopters able to fly "high and hot" (at high altitude, especially in summer) are in short supply.
直升飞机能“高飞且耐热”(飞行于高海拔，尤其在夏季)，但直升飞机供应量不足。
Helicopters able to fly "high and hot" (at high altitude, especially in summer) are in short supply.
直升飞机能“高飞且耐热”(飞行于高海拔，尤其在夏季)，但直升飞机供应量不足。
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