"Conformal" means that when the pilot is looking through the collector (HUD) and sees a particular heading on the display, that heading corresponds to it's actual location out the window.

“形”意味着当飞行员正在通过收集器(界面)，看见一个特定的标题，显示器上的标题与实际位置窗外。

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Off-axial reflection holographic visual display elements which records in dichromated gelatin (DCG) deposited on planar substrate of glass has been developed for pilot head-up display (HUD).

用重铬酸盐明胶介质记录了用于飞机平视显示器的平面离轴反射全息目视显示元件。

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In fact, a recent study by the Flight Safety Foundation found that 38% of all accidents in modern turbine-powered, glass-cockpit-equipped aircraft were likely or highly likely to have been prevented if the pilot had a HUD.

FORBES: Heads Up: Proven Military Technology Provides Big Safety Boost For Biz Jets

Click here to hear what Jeb Corliss has to say about how Flight HUD has made him a better pilot.

ENGADGET: Recon Instruments offers Flight HUD goggles for wingsuit pilots and skydivers

By enabling the pilot to keep his eyes focused outside the aircraft, a HUD provides pilots with an incredible safety advantage.

FORBES: Heads Up: Proven Military Technology Provides Big Safety Boost For Biz Jets