Correct

明码

/ míngmǎ /
Strokes

Definition

non-secret code (such as Morse code, Chinese telegraph code, ASCII etc)/plaintext (cryptography)/(of prices) clearly marked

Example

As a Noun

plain/open code

1
Yòng
míng
明码
diànbào
电报

send a telegram in plain code

2
Míng
明码
diànbào
电报

plain-code telegram; cable in plain code

3
Zhìdìng
制定
tào
xīn
míng
明码

lay down a new set of plain codes

As a Noun

clearly marked price

4
Zhèjiā
这家
shāngdiàn
商店
míng
明码
shòuhuò
售货
  

This shop sells goods at marked prices.

5
Míng
明码
shíjià
实价

actual prices that are clearly marked