错误符号 meaning in English

error character
error mark
error symbol
illegal character

An error symbol is displayed on the catalog application , indicating the presence of an error
Catalog应用程序上将显示一个错误符号，指示存在错误。
According to the theorem about judging the number of error symbol concluded in this paper , an improved step - by - step decoding algorithm is put forward and proved , which based on some relative theorem promoted by t . - c . chen and shyue - win wei
Chen和shyue - winwei提出的相关定理，结合本论文总结的判断错误符号个数的定理，提出一种改进的step - by - step算法，并且对相关的定理给出了证明。