By using fuzzy theory in ship lines design, a new method is described which produces section area curve and transforms hull form.
将模糊理论应用到船体线型设计中，提出了一种新的横剖面面积曲线生成和线型变换法。
The theory calculations may be divided the following two cases:(1) Appending curve thin ship functions to the waterlines of basis ship respectively, the corresponding improved ship form is calculated.
理论计算可分下列两种情况： （1）对基本船型的水线迭加曲线薄船函数以计算其对应的改良船型。
The relationship between probability of failure and sectional modulus of midship is worked out and then drawn as a curve, which can be used in ship design stage.
同时得出了破坏概率和中剖面模数之间的关系曲线，供设计时参考。
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