The wings are made of a polythene film stretched over a carbon fiber frame.
机翼是由铺在碳纤维框架上的聚乙烯薄膜制成的。
2
Differences in travel time mean the fiber, and thus the structural element, is being stretched or compressed.
运行时间的不同，意味着纤维，进而是结构部件受到了拉伸或挤压。
3
A new linear sensing method of deflection and stress, in which the fiber grating bandwidth is stretched by using bilateral cantilever beam, is reported.