连接着伞衣后缘(the trailing edge)的伞绳是刹车绳，连接着平衡器的伞绳是平衡绳(the stabilizer lines)。两或三根上层的伞绳连接到一根中层的伞绳上，同样地，中层的伞绳连接到更少的下一层伞绳上，因此伞绳的数量是层层递减的。
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跟日本人一起工作，就像在绷紧的绳上走平衡。
有人对我说，“跟日本人一起工作，就像在绷紧的绳上走平衡。
One said to me, "Working with the Japanese islike balancing on a tightrope.
将充满的伞看成柔软的壳体，用力学原理建立伞绳(伞衣上径向加强带)和伞衣幅中线的力平衡方程。
The canopy under inflation is regarded as a soft shell, and the equilibrium equations in the radial member and gore centerline are established by mechanics theorems.
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