(光束曲线偏移)：投射光束时应用的高度偏移量，就算在光束径直指向时也能产生一个光滑的曲线。
Beam curve offset: the amount of height offset to apply to the projected beam to generate a smoother curve even when the beam is pointing straight.
投射在旧大坝和发电室本身之上的阴影体现了太阳的高度和位置变化。
The shadows cast onto the old dam and to the building itself indicate the height and the movement of the sun.
而不仅仅是“表现高度速度，航向和态度”一个拥抱是用一组复杂的光投射和折射，以便信息被飞行员被形通往外面的世界。
Beyond just "showing altitude speed, heading and attitude" a HUGS USES a complex array of light projection and refraction so that the information seen by the pilot is conformal to the outside world.
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