Correct

挠度

/ náo dù / 
Strokes

Example

As a Noun

deflection

1
Náodù
挠度
qūxiàn
曲线

deflection curve

2
Náodùjì
挠度计

deflectometer

As a Noun

flexibility

3
Náodù
挠度
shìyàn
试验
  
/
xìshù
系数

flexibility test/factor

4
Náodùjì
挠度计

fleximeter