U. s. uav repeatedly launched air strikes against targets in the region .

美国无人机多次对这一地区目标发动空中打击。

Affection of reliability to the efficiency evaluation of the uav .

可靠性对长航时无人侦察机效能评估的影响。

The uav role will change drastically in battlefield 3 .

在战地风云3里，uav的角色将大幅地改变。

China 's apparent progress is likely to spur other countries , especially india and japan , to accelerate their own uav development or acquisition programs .

中国无人机技术的明显进展可能还会刺激其它国家加快研发本国无人机或购买无人机计划，尤其是印度和日本。

Northrop grumman and general atomics continue to lead the market for uav development , although there are substantial global opportunities for other suppliers to increase their market share .

尽管其他供应商在全球范围内还有大量的增加市场份额机会，诺斯罗普格鲁曼和通用原子公司将继续引导无人机发展的市场。