信噪比 xìn zào bǐ ㄒㄧㄣˋ ㄗㄠˋ ㄅㄧˇ seon3 cou3 bei2

  • signal-to-noise ratio

Stroke order

Practice writing

Draw 信 (1 of 3) — stroke by stroke.

Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.