会计账簿的按用途分类包括()
A. 序时账
B. 分类账
C. 备查账
D. 订本式
Classifying culture into active culture and passive culture is from the perspective of attitude towards nature()
Communication occurs when two or more people interact through the exchange of messages()
混凝土在长期压力作用下,随时间延续而增长的变形称为_____()
A. 应力松弛变形
B. 收缩变形
C. 弹性后效变形
D. 徐变变形