... triad axis 三次轴 ; 三重轴 ; 三次对称轴 triad society 三合会 ; 三合会社团 ; 三合 ; 三合会 Triad Story 江湖最后一个大佬 ; 年 ...
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想想你一生主要的时间轴里，土星拜访的次数最多两次或者三次，而这次将会是最大的有利。
Considering how we only get (at most) two or three visits from Saturn in a lifetime, this is a major moment in your timeline, and one you will want to use to your full advantage.
计算部分预应力混凝土梁开裂后截面应力时，需求解中和轴高度的三次方程，使计算显得比较复杂。
It is rather complicated to compute the neutral axis in partially pre-stressed concrete beams after cracking, since we have to solve a cubic equation.
根据菲涅耳衍射理论，采用微光学元件制作技术，通过三次套刻制作出八位相台阶的二元离轴菲涅耳透镜。
A binary Fresnel lens with 8 phase steps can be manufactured with micro-optical element fabricating technology and three times of alignment according to Fresnel diffraction theory.
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