Correct

增幅

/ zēngfú /
Strokes

Definition

growth rate/amplification

Example

As a Noun

increasing range; growing rate

1
Chǎnliàng
产量
zēng
增幅
hěn
  

There has been a great increase in production.

2
Nián
zēng
增幅

annual amount of increase (in production)