问题
选择题
It_________to grow fruit trees on the hillside. [ ]
A. makes good senses
B. makes good sense
C. take no sense
D. take much sense
答案
答案：B
搜题请搜索小程序“爱下问搜题”
It_________to grow fruit trees on the hillside. [ ]
A. makes good senses
B. makes good sense
C. take no sense
D. take much sense
答案：B
如图27-4所示一立方形体心立方单晶体，其各棱边皆属＜100＞晶向族。该晶体在图示一对压应力σ的作用下开始发生滑移变形。
| 设晶体初始滑移系的临界分切应力为τc，计算晶体该方向的屈服强度。 |