图示 2 跨 2 层刚架, 梁的线刚度 [tex=0.714x1.214]DLBE9sbNUyvQez1BkENcNLhbyut36/WBGG1ATxORpLE=[/tex], 柱的线刚度 [tex=0.643x1.214]DLBE9sbNUyvQez1BkENcNGHMCN7S1/Lu978S+XEBKzg=[/tex] 。在以下三种情况下（均为杆线刚度相对值）:(1) [tex=4.286x1.214]DLBE9sbNUyvQez1BkENcNMK0ULdBSCCQvS7z/i7yPa5/L7R85cQ0i5O9Ai1LKhP04HLEHRMx1Jl9AUCdxRTzcQ==[/tex];(2) [tex=5.071x1.214]DLBE9sbNUyvQez1BkENcNMK0ULdBSCCQvS7z/i7yPa5/L7R85cQ0i5O9Ai1LKhP0SayWdZLWAhk6P0f1NbHtbw==[/tex](3)[tex=4.786x1.214]DLBE9sbNUyvQez1BkENcNJ6nElUOQcUDypRSKaUgJMWF4Xk6tFa5siR5wLEIbUPK8vqNQn84ypyKqDmI5q0nvw==[/tex] 。试求:（a）忽略结点侧移时, 刚架的弯矩图。(b) 考虑结点侧移时, 刚架的弯矩图。（c）比较以上三种情况下, 忽略结点侧移与考虑结点侧移内力的差别。[img=468x375]17cfae124986a96.png[/img]
举一反三
- 以下程序段实现的输出是（）。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- 【单选题】请用地点定桩法在4分钟内记忆数字。 4 0 1 3 6 3 5 1 9 8 8 9 7 2 9 3 0 9 5 3 1 7 7 5 2 3 3 0 5 0 1 4 1 3 8 3 5 7 9 7 (5.0分) A. 已背 B. 未背