Correct

一式

/ yī shì /
Strokes

Example

As a Noun

same form

1
Zhège
这个
wénjiàn
文件
yào
yìn
shì
liǎng
  
/
sān
  
/
fèn
  

This document should be printed in duplicate/triplicate/quadruplicate.

2
de
shēnqǐng
申请
men
我们
yào
shì
liǎng
fèn
  

We need your application in duplicate.