船体的设计应该充分考虑运输的需要，以及沿途的航行限制，载重应与船体尺寸和最大负荷相匹配。
The vessel should be adequately designed to transport, with coastal navigation limitations, load weights compatible with the deadweight and the size of the vessel.
但尺寸的过大，又会导致船体重量增加，引起船舶阻力的增加，影响其快速性。
But if the size is too large, that will cause hull weight and ship resistance increase. Fatherly, that will affect the fast of ship.
随着潜艇耐压船体的几何尺寸增大，耐压壳体的强度与稳定性分析仍然是一个具有重要实际意义的研究课题。
With the lager dimension of the submarine pressure hull, the strength and stability analysis of pressure hull is still an important subject in the submarine design.
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