[电] ghost algebraic manipulation language

xū nǐ dài shù shì cāo jiàn yǔ yán ㄒㄩ ㄋㄧˇ ㄉㄞˋ ㄕㄨˋ ㄕˋ ㄘㄠ ㄐㄧㄢˋ ㄩˇ ㄧㄢˊ