Pilots must rely on visual flight rules that are often referred to as' see and avoid. '.
飞行员必须依靠常被称为“看到并避开”的目视飞行规则。
He has built a tiny robotic fly called Robofly and a 3-d visual flight simulator called Fly-O-Vision.
他研发了一款名叫Robofly的微型机器人苍蝇，以及一种名叫fly - o -Vision的三维可视飞行模拟器。
A civil aircraft performing visual flight shall observe visual flight rules and keep a safe separation from other aircraft and ground obstacles.
进行目视飞行的民用航空器，应当遵守目视飞行规则，并与其他航空器、地面障碍物体保持安全距离。
It indicates that fighter pilots acquire information mostly from the OV in VFR (visual flight rules) condition and most of their visual attention is allocated to the outside world.
表明视觉飞行规则下，战斗机驾驶员主要从外景获取视觉信息，他们的大部分注意力都集中在外景。
Visual flight simulation system combines three-dimensional computer graphics animation with flight numerical simulation for depicting flight process of Unmanned Air Vehicle (UAV) on computer screen.
飞行可视化仿真系统采用计算机三维图形动画与飞行数值仿真相结合的设计方法，在计算机屏幕上再现无人机的飞行过程。
A tiny feathered "thumb," the alula, improves flight control. The protruding shaft on the first wing feather makes a loud, rustling sound—adding acoustics to the visual display.
微小的拇翼改善了对飞行的控制能力，第一翼羽上的凸出轴结构会发出沙沙的响声——在保持视觉效果的同时还增添了声学效果。
The KC-135's boom operator and aircrew use motion, shadows, and other visual cues to maintain flight safety during refueling.
KC-135加油机的加油操作员和机组人员使用姿态、阴影和其他视觉感知维护加油过程的飞行安全。
It could be that dinosaurs with more primitive feathers used them for temperature regulation, camouflage and visual signaling, rather than flight.
拥有更为原始的羽毛的恐龙，当初可能将其用于调节身体温度、伪装和发出视觉信号，而非辅助飞行。
A tiny feathered "thumb," the alula, improves flight control. The protruding shaft on the first wing feather makes a loud, rustling sound-adding acoustics to the visual display.
微小的拇翼改善了对飞行的控制能力，第一翼羽上的凸出轴结构会发出沙沙的响声——在保持视觉效果的同时还增添了声学效果。
It is the important visual auxiliary navigation equipment to guarantee safe flight, and is an key link in the process of landing.
是保障飞机飞行平安的重要目视助航设备，在飞机进近和着陆过程中起着要害功效。
Finally, a complete set of UAV flight visual simulation is obtained, which lays the foundation of designing and simulating of UAV for the future research.
最终得到了一套完整的无人机可视化仿真系统，从而为今后的无人机飞控器设计与飞行模拟研究奠定了基础。
The flight scene simulation is an important part of the flight simulation, and its visual effect and reality degree will influence the whole flight simulator directly.
飞行视景仿真是飞行仿真的一个重要组成部分，它的视觉效果和逼真程度将直接影响整个飞行模拟器的逼真度。
Due to the lower flight height and the slower flight speed of helicopter, Compared with the fixed wing airplane, the visual system of helicopter flight simulator has the particularity in visual scene.
由于直升机飞行高度低、飞行速度较慢，直升机飞行模拟器的视景系统具有特殊性。
Because of image clear, visual field wide and good depth of field, wide-angle infinity display system has been used in a lot of flight simulators.
广角无限远视景显示系统以其图像清晰、视场角大、纵深感强等特点被广泛的应用在飞行模拟器中。
VFR night flight and IFR flight under visual conditions are also said to be possible.
VFR夜间飞行和IFR目视条件下飞行同样也是许可的。
The simulation result shows that the platform acquires good visual effect and accurate parameters, simulating real flight well.
结果表明，该平台直观性强，输出参数准确，能较好地模拟真实飞行。
The simulation result shows that the platform acquires good visual effect and accurate parameters, simulating real flight well.
结果表明，该平台直观性强，输出参数准确，能较好地模拟真实飞行。
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