label,symbol,mark的区别?
example ,sign ,mark ,symbol的区别
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mark symbol sign signal这几个词的区别.
mark symbol sign signal四个词的区别?
mark symbol sign signal这几个词的区别是什么?
symbol,sign,signal,mark区别有哪些?好懂点的
symbol.sign.singal.mark四个词的区别
identifying;symbol和label的含义
高一英语词义辨析求sign,mark,symbol的区别
symbol,sign,mark,signal在词典的解释都是记号或标志,有什么区别?
sign,symbol,mark,feature做“标记象征特征”时四个词的区别
sign & symbol的区别?