电码 (diàn mǎ) — telegraphic code

Definition

Examples

• 以前人们用电码发送信息。
  Yǐ qián rén men yòng diàn mǎ fā sòng xìn xī.
  In the past, people used telegraphic codes to send messages.
• 学习电码需要记住很多符号。
  Xué xí diàn mǎ xū yào jì zhù hěn duō fú hào.
  Learning telegraphic codes requires remembering many symbols.
• 这个电码系统已经过时了。
  Zhè ge diàn mǎ xì tǒng yǐ jīng guò shí le.
  This telegraphic code system is already outdated.