We have derived two formulas calculating excess lengths for folded ribbonfiber in loose tube. These formulas are useful for structural design of ribbonfiber cable.
推导出了成叠带状光纤在松套管中余长的两个计算公式，此两公式是带状光纤缆结构设计需要用到的基本公式。
2
Ribbon crown on, not crafted by talented fiber twist, but with pain, suffering textile silk thread out.
桂冠上的飘带，不是用天才纤维捻制而成的，而是用痛苦，磨难的丝缕纺织出来的。
3
The ribbon on the crown, not genius fiber twist, but with pain and suffering of silk textile strands.