prototype flight test

基本解釋

A Ho 2-29 prototype made a successful test flight just before Christmas 1944.
就在 1944年圣誕節(jié)前 Ho 2-29原型完成了一次成功試飛。
He expressed the hope that this can be solar-powered aircraft flight test prototype, and then over the next year in Switzerland to carry out the whole night flying.
他希望今年能進行太陽能飛機樣機的試飛，然后明年在瑞士上空進行全夜間飛行。
cid-25f35e9067c8dc09.spaces.live.com
In accordance with flight simulator's demand of motion simulation system motion performance, the electro-control part of flight simulation test prototype is reconstructed in this paper.
本文依據(jù)飛行模擬器對其運動模擬系統(tǒng)運動性能的要求，對飛行模擬試驗樣機電控部分進行了改造。

Like Amazon, the company is secretive, but last September it revealed that it had lost an unmanned prototype vehicle during a short-hop test flight.
ECONOMIST: Brain scan