塑性和脆性材料的应力一应变特性: stress―strain behavior of ductile and brittle materials
均: Ⅰ形容词(均匀) equal; even 短语和例子分得不均 not evenly divided; 劳逸不均 uneven allocation of workⅡ副词(都; 全) without exception; all 短语和例子各项准备工作均已就绪。 all the preparatory work has been completed. 所有国家均派代表出席了会