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3.It is interesting to note that some of the latest micro-processor-based equipment is now able to monitor itself during operation and also transfer to a spare circuit incorporated within the unit should a failure occurs.
4.is customary to calculate all these quantities for about six or seven waterlines parallel to the base and spaced one meter(3 or 4 ft) apart.
5.One is called the moulded displacement and it is the displacement obtained to the moulded lines of the ship between perpendiculars.
6.To obtain the extreme displacement it is necessary to add on to this shell displacement,the displacement of the cruiser stern and bulb forward,if fitted,and in the case of multiple screw ships the displacement of the bossing enclosing the shafting.
7.It is also important to correct the position of the centre of buoyancy for these items.
With regard to the displacement of the shell ,this is determined by first of all calculating wetted surface area.
8.It has already been stated that when dealing with buoyancy and stability problems that the force generated by these pressures have a vertical resultant which is exactly equal to the gravitational force acting on the mass of the ship,i.e,is equal to the weight of the ship.
9.If the forces due to the hydrostatic pressure are resolved in the fore and aft and the transverse directions it will be found that their resultants in both of these directions are zero.
10.Consider What happens when the ship moves forward through the water with some velocity V.
11.The effect of this forward motion is to generate dynamic pressures on the hull which modify the original normal static pressure and if the forces arising from this modified pressure systems are resolved in the fore and aft direction it will be found that there is now a resultant which opposes the motion of the ship through the water.
12.The development of ship types over the years has been dictated very largely by the nature of the cargo.
13.The various designs can ,to some extent,be divided into general cargo,bulk
cargo and passenger vessels.
14.The general cargo carrier is a flexible design of vessel which will go anywhere and carry anything.
15.The ship structure outboard of the container holds on either side is a box-like arrangement of wing tanks which provides longitudinal strength to the structure .
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3.It is interesting to note that some of the latest micro-processor-based equipment is now able to monitor itself during operation and also transfer to a spare circuit incorporated within the unit should a failure occurs.
4.is customary to calculate all these quantities for about six or seven waterlines parallel to the base and spaced one meter(3 or 4 ft) apart.
5.One is called the moulded displacement and it is the displacement obtained to the moulded lines of the ship between perpendiculars.
6.To obtain the extreme displacement it is necessary to add on to this shell displacement,the displacement of the cruiser stern and bulb forward,if fitted,and in the case of multiple screw ships the displacement of the bossing enclosing the shafting.
7.It is also important to correct the position of the centre of buoyancy for these items.
With regard to the displacement of the shell ,this is determined by first of all calculating wetted surface area.
8.It has already been stated that when dealing with buoyancy and stability problems that the force generated by these pressures have a vertical resultant which is exactly equal to the gravitational force acting on the mass of the ship,i.e,is equal to the weight of the ship.
9.If the forces due to the hydrostatic pressure are resolved in the fore and aft and the transverse directions it will be found that their resultants in both of these directions are zero.
10.Consider What happens when the ship moves forward through the water with some velocity V.
11.The effect of this forward motion is to generate dynamic pressures on the hull which modify the original normal static pressure and if the forces arising from this modified pressure systems are resolved in the fore and aft direction it will be found that there is now a resultant which opposes the motion of the ship through the water.
12.The development of ship types over the years has been dictated very largely by the nature of the cargo.
13.The various designs can ,to some extent,be divided into general cargo,bulk
cargo and passenger vessels.
14.The general cargo carrier is a flexible design of vessel which will go anywhere and carry anything.
15.The ship structure outboard of the container holds on either side is a box-like arrangement of wing tanks which provides longitudinal strength to the structure .
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