A、polygon
B、holding arc
C、catenary curve
D、parabolic curve
更多“Under the forces of its own weight，the suspended length of line will fall into a shape known as a（）.”相关的问题
A、Weight of the vehicles B、Geographical area of the voyage C、Dynamic forces under adverse weather conditions D、All of the above
A、turning effect of the force about a point B、instantaneous value of the force C、stability characteristics of the vessel D、center of gravity location
A、upward-acting weight force B、downward-acting weight force C、upward-acting buoyant force D、environmental force
A、unoccupied space below the waterline B、volume of intact space above the waterline C、excess of the buoyant force over the gravity force D、difference in the buoyant force in salt and fresh waters
A、injecting fuel oil into a cylinder B、removing exhaust gases from the cylinder C、forcing air into the cylinders under pressure after the exhaust valve has dosed D、a combination of all the above
A、the center of volume of the immersed portion of the vessel B、the center of gravity of the water plane C、that point at which all the vertical downward forces of weight are considered to be concentrated D、that point at which all the vertical upward forces of buoyancy are considered to be concentrated
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