height of contour

1、The height of the tide is affected by

The height of the tide is affected by all of the following EXCEPT______.A the position of the sunB channels in the sea bottomC the direction of the windD variations in the coast line

2、The height of tide is the （）.

The height of tide is the （）.Adepth of water at a specific time due to tidal effectBdifference between the depth of the water and the area...

3、The ratio of the height of a vessel’s

The ratio of the height of a vessel’s rudder to its width is referred to as the（）.Aaspect ratioBconstriction ratioCrudder ratioDsteering ratio

4、The height of eye correction is smalle

The height of eye correction is smaller than geometrical dip because of （）.A the angle between the horizontal and the line of sight to the visible horizonB index errorC parallaxD terrestrial refractio

5、Topping wires fix the height of the de

Topping wires fix the height of the derricks and （） to the deck may be used to prevent fore and aft movement.AstaysBwinchesCbarrelsDbrake

6、The difference between the heights of

The difference between the heights of low and high tide is the（）.AperiodBrangeCdistanceDdepth