A、the angle between the horizontal and the line of sight to the visible horizon
B、index error
C、parallax
D、terrestrial refraction
更多“The height of eye correction is smaller than geometrical dip because of （）.”相关的问题
A、glare from background lighting B、existing visibility conditions C、elevation of the light D、observer's height of eye
A、metacentric height B、height of the righting arm C、fore and aft perpendicular D、height of the center of buoyancy
A、taken up through the eye of the first line B、taken up over the eye of the first line C、made fast to the first line D、taken up from the eye of the first line
A、metacentric height B、height of the metacenter above the keel C、height of the center of buoyancy above the keel D、height of the center of gravity above the keel
A、height of the metacenter B、height of the righting arm C、height of the center of buoyancy D、metacentric height
A、height of the metacenter B、height of the righting arm C、height of the center of buoyancy D、metacentric height
A、A.height of the metacenter B、B.height of the righting arm C、C.height of the center of buoyancy D、D.metacentric height
A、A.Apply an ice pack to the eye B、B.Keep the eyelid closed C、C.Flush the eye with plenty of water D、D.Rub the eye area clean
A、Place the eye from the forward line on the bollard and then place the eye from the second line directly over the first B、It makes no difference how the lines are placed C、Place the eye from either line on the bollard，and then bring the eye of the other line up through the eye of the first，and place it on the bollard D、Place both eyes on the bollard，in any manner，but lead both lines to the same winch head on the vessel and secure them on the winch
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