This technology has achieved satisfactory effect in fielduse.
几年的现场应用，取得了满意的效果。
2
It is a humanitarian flight and the organizations in the fielduse this kind of flight to transport the staff or to fly some assistance...
这是一次人道救援飞行，进行救援工作的组织使用这种飞机运送工作人员或者救援物资。
3
While most laptops will be obsolete before their batteries wear out, we are sensitive to the desire to occasionally carry an extra battery for extended fielduse.