In this paper it is given a more effective formula about the direction angle of the main plane in the plane stress state.
本文给出了平面应力状态下主平面方位角的一个更为有效的公
In this paper,the formula of determining the position angle of main plane is analyzed , Determining the sign and number of α_0 angle based on the quand rapidly,This paper has reference to studying of stressing theory and structure design.
本文对确定主平面方位角的公式进行了分析,根据2α_0所在象限迅速确定出α_0正负及大小,并指出平面图的位置。
In this paper, the question of main plane in the affine transformation of space field is investigated .
探讨了空间场的仿射变换中主平面的问题,得到一种确定主平面位置的方法。
This paper advances a direct observational method to determine two principal planes corresponding with two principal stresses Belng simple and obvious, this method ean be mastered easily.
本文提出关于平面应力状态单元体上两个主平面与两个主应力对应关系的直观判断方法。
In this paper,the author puts forward the method about how to make direct use of the known condition to locate the orientation of the corresponding relationship between principal stress and principal plane.
提出了直接利用已知条件判定平面应力状态下主平面与主应力对应关系的方法,以及对该方法进行了数学证明。
In this paper,some equal descriptions are obtained by the relative flatness concept for some special situations-under the conditions of A-flat, A-principally flat and condition (P A).
该文利用S -系的相对平坦性的思想 ,给出了在一些特殊条件下分别满足A-平坦、A-主平坦、条件 (PA)的S-系的某些等价刻画。
Take love as the foundation,cater to students taste by means of democracy and equality.
要彰显大学德育的实效性,必须突出一个“情”字,以爱为本,以民主平等的方式,“投其所好”,以情动人,以理服人,寓教于乐,寓理于情。
To construct democracy and equality of teacher-student relationship in classroom, we should pay close attention to three aspects: reconstruct classroom life ; weaken teacher authority; carry out the teaching in the form of dialogue.
构建课堂中民主平等的师生关系 ,理应关注三个方面 :重构课堂生活 ;淡化教师权威 ;实施“对话式教学”。
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