当较大纵向收缩力受到阻碍时,可产生()与()的现象.
参考答案:纵向应力;横向裂纹
Tomorrow I have a day off, so I want to ______. [ ]
A. take a class
B. hang out with my friends
C. takes a class
D. hangs out with my friends
标准差法体格评价也可用于偏态分布的情况。