写出下图问题在极坐标系中上端水平边界的的应力边界条件[img=298x325]1803b3887b4dfb9.jpg[/img]
A: [img=200x168]1803b388867910a.jpg[/img]
B: [img=186x168]1803b388916fb99.jpg[/img]
C: [img=200x168]1803b3889b7e316.jpg[/img]
D: [img=276x180]1803b388a5860f3.jpg[/img]
A: [img=200x168]1803b388867910a.jpg[/img]
B: [img=186x168]1803b388916fb99.jpg[/img]
C: [img=200x168]1803b3889b7e316.jpg[/img]
D: [img=276x180]1803b388a5860f3.jpg[/img]
举一反三
- 写出下图问题在极坐标系中上端水平边界的的应力边界条件[img=298x325]1803b3870c26cc2.jpg[/img] A: [img=200x168]1803b387175aee7.jpg[/img] B: [img=186x168]1803b3872269944.jpg[/img] C: [img=200x168]1803b3872e2e195.jpg[/img] D: [img=276x180]1803b387386cc4d.jpg[/img]
- 写出下图问题在极坐标系中上侧水平边界的应力边界条件[img=298x296]1803b386cecc627.jpg[/img] A: [img=186x108]1803b386d93fc99.jpg[/img] B: [img=186x108]1803b386e4a6c71.jpg[/img] C: [img=174x168]1803b386f0ec4ed.jpg[/img] D: [img=186x168]1803b386fb63dae.jpg[/img]
- 获取页面中所有jpg格式的图片,以下写法正确的是()。 A: $("img[src$=jpg]") B: $("img[src^=jpg]") C: $("img[src=jpg]") D: $("img[src*=jpg]")
- 写出下图问题在极坐标系中外侧圆弧边界的的应力边界条件[img=298x325]1803b38704aadef.jpg[/img] A: [img=113x84]1803b3870f52bba.jpg[/img] B: [img=113x84]1803b38719d4ea6.jpg[/img] C: [img=217x81]1803b38724d2de3.jpg[/img] D: [img=291x81]1803b3872f4da56.jpg[/img]
- 写出下图问题在极坐标系中内侧圆弧边界的的应力边界条件[img=298x325]1803b386d709282.jpg[/img] A: [img=113x84]1803b386e29c779.jpg[/img] B: [img=113x84]1803b386ece4dd0.jpg[/img] C: [img=217x81]1803b386f86b29f.jpg[/img] D: [img=291x81]1803b3870275761.jpg[/img]