首先，本文按常规将船舶下水的过程分为四个阶段。
Firstly, the ship's launching is divided into four stages according to the normal practice.
通道式船坞的船舶下水或上排是靠轨道滑车或气囊来完成。
The ship launching or upgrading of the channel dock is finished by relying on a track pulley or an airbag.
本文首先介绍了利用浮坞进行船舶下水和上墩方法的操作过程。
In the first part of the paper, the author presented the method and process of launching and landing of ships by means of a floating dock.
为保证船舶下水过程中的结构安全，提出了一种船舶弹性下水计算方法。
An elastic calculation of ship launching has been developed for the structural safety of ship during launching operation.
船舶下水因船与船台尺度、港湾水域与尺度的限制经常发生船台和码头破坏。
Because of the limits of the ship dimension, slipway size and harbor area and size, the slipway and wharf is broken.
先对船舶下水运动过程进行分析，根据实际情况将船舶下水过程分为三个阶段。
First, analyzing ship launching process and dividing ship launching process into three stages according to the actual circumstance.
船舶下水是在船舶建造工程大部分完工之后，将船从建造区移至水域的工艺过程。
The ships launching is a technical process to put the ship into water after the most parts of completion of the ship's construction engineering.
然后对船舶下水过程中船体受力进行分析，建立不同阶段的船舶下水运动数学模型方程。
Then we analyzed the force acting on the hull during ship launching process, and established the ship launching model equation in mathematics at different stages.
大部分活动龙骨船只可以被拖车运载，并很容易通过船舶下水滑道(boatramp)放入水中(当然，大型的活动龙骨船可能需要使用更深的滑道)。
Most centerboard boats can be trailered and easily launched and hauled out on boat ramps (larger centerboard boats may require deeper ramps).
在你们船厂船舶怎样下水？
现代的大型船舶装备有足够多的救生艇，船上的每个人都有位置，除非船体倾斜，救生艇无法下水。
Modern ships are equipped with enough lifeboat seats for everyone aboard, unless the ship's tilt prevents their launching.
上海交通大学船舶流体力学研究室新近对导管架下水过程的理论计算和模型试验进行了开发性研究。
Theoretical calculations and model tests of jacket launching process has been carried out recently in the Ship and Ocean Engineering Hydrodynamics Laboratory of Shanghai Jaio Tong University.
该弧形滑道工程设计，成功地解决了大吨位船舶在纵向滑道上墩、下水的问题。
In the design of circular arc slipway. the docking and launching problems on longitudinal circular arc slipway for large vessel are successfully solved.
本文阐述了船舶气囊上、下水工艺的实用意义，并简要介绍了下水工艺的操作过程。
After having expounded the practical significance of the technology of the ship air bag launching and docking, this paper briefly introduces the operating process of the technology.
结果表明：船模下水试验是可行的，其试验结果可用于研究船舶的安全下水，对船舶建造具有实用价值。
The results shown: ship mold launching experiments is viable; the experiment results can be used for researching the safe launching of the ships. It is of practical value to shipbuilding.
万吨级船舶在纵向倾斜船台上下水是一个技术复杂且事故因素较多的工艺过程。
The longitudinal launching of large ships from slipway is a process incorporating complicated technology and numerous accident possibilities.
提出了一种船舶带浮筒下水新工艺，通过在船舶尾部安装浮筒，并对浮筒大小和位置进行优化，能较为简便、经济和可靠地解决上述问题。
A new technology is brought forward to overcome tipping by fixing pontoons with optimal size and position at stern in order to increase buoyancy of stern.
第一册讨论船舶在其更加基础的理论上的几何学和测量方法，也包括安全问题，结构强度，下水，调配载重及稳定性。
Volume 1 discusses ship geometry and measurement in its more basic concepts, also covering safety issues, structural strength, flotation, trim and stability.
近年采用气囊下水的船舶重量不断增大，下水安全性问题日益突出。
However, there is no feasible method for quantitative assessment of the strength of hull girder and safety of airbags during launching process.
近年采用气囊下水的船舶重量不断增大，下水安全性问题日益突出。
However, there is no feasible method for quantitative assessment of the strength of hull girder and safety of airbags during launching process.
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