They can be recovered with nets, parachutes, vertically strung cords that snag a wingtip hook or a simple drop on the ground after a stall a metre or two in the air.

也可以用垂直布置的绳阵来挂住无人机翼尖的挂钩。或者干脆让它在距地面1—2米的高度熄火后掉下来。

youdao

Motor stall current the initial voltage drop for inspection shall not exceed15%.

电机堵转电流，检验开始的电压降不应超过15%。

youdao

Stall characteristics are completely safe - no tendency at all for wing-drop.

失速特性是完全安全的-没有在所有的趋势翼下降。

youdao

But the IMF warned that the sharp drop in the price of oil may stall progress.

BBC: Iraq economy 'on track' says IMF

Epstein said the inflation theme has begun to stall out, noting the drop in the CRB Index, an index that tracks certain commodity prices.

FORBES: METALS OUTLOOK: Mixed Outlook For Gold Next Week