demi section 半剖面图
The first demi-section analyses Dasein's ontological structure and expounds that the main point of freedom is Dasein's existing truth.
前半段通过对此在生存论结构的分析，论述了“此在的本真生存即自由”这一核心思想。
By approximating the lines of the demi-hull and the main body's section with 7-order polynomial, the authors calculate the wave-making resistance of a SWATH based on the linear theory.
用七次幂多项式拟合片体线型和主体横剖面面积曲线，以线性兴波阻力理论为基础计算兴波阻力；
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