题331图所示梁在图示行列荷载作用下,反力FRA的最大值为()kN。<img src='https://img2.soutiyun.com/1/2021-04-08/986750402639344.jpg' />
63 图示梁EI=常数,B点竖向位移为<img src='https://img2.soutiyun.com/latex/latex.action' />,单元杆端力向量为哪一个?( )
图示桁架,零杆的数目为:()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/610/20211118110717736.png' />
图示结构K截面弯矩MK为()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/666/20211118111124101.png' />
图示中接头,水平杆采用a×b的矩形截面,斜杆与水平杆的夹角为a,其挤压面的面积为()<img src='https://img2.soutiyun.com//1/2021-06-08/992041685020271.jpg' />
图示结构的超静定次数为()。<img src='https://img2.soutiyun.com/1/2021-03-11/984326378977064.jpg' />
根据图示,应诊断为何种神经系统先天性疾病()<img src='https://img2.soutiyun.com/shangxueba/ask/19092001-19095000/19092833/2015111211401077947.jpg' />
图示结构中,桁架杆件的零杆个数为()。<img src='https://img2.soutiyun.com/shangxueba/ask/2013001-2016000/2014858/ct_jgzjgyxm_jgzjgyxchoose_00403(20093).jpg' />
图示结构,截面C的弯矩为()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/250/20211118110634160.png' />
图示为悬臂梁截面C剪力影响线图的几种结果,其中正确的应是()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/655/2021111811102458.png' />
图示结构,BA杆件B端弯矩MBA(左侧受拉为正)为()。<img src='https://img2.soutiyun.com/1/2021-04-07/986666229837022.jpg' />
图示组合结构,不计杆质量,其动力自由度为:()。<img src='https://img2.soutiyun.com/1/2021-04-07/986666180871239.jpg' />
图示铆钉连接,铆钉的挤压应力为()。<img src='https://img2.soutiyun.com/shangxueba/ask/17034001-17037000/17034916/6f3951d-chaoxing2016-375776.jpeg' />
图示体系为() 。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-10/30/254/20211030142100599.png' />
图示体系为()。<img src="https://img2.soutiyun.com/shangxueba/askkp/2022-05/31/1420/20220531162116620.png" alt=""/>
图示一半径为R的圆柱形容器,内盛有密度为<img src='https://img2.soutiyun.com/shangxueba/ask/17967001-17970000/17969999/2016031610221065859.jpg' />的液体,若容器以等角速度<img src='https://img2.soutiyun.com/shangxueba/ask/17967001-17970000/17969999/2016031610221885175.jpg' />绕OZ轴旋转,则A点的压强为()。
不计杆的分布质量,图示体系的动力自由度为()。<img src='https://img2.soutiyun.com/1/2021-04-07/986665887381569.jpg' />
图示桁架B点竖向位移(向下为正)△<img src='https://img2.soutiyun.com/shangxueba/ask/17727001-17730000/17727028/2015102815202050082.jpg' />为:()<img src='https://img2.soutiyun.com/shangxueba/ask/17727001-17730000/17727028/2015102815201840985.jpg' />
已知图示结构EI=常数,A、B两点的相对水平线位移为:()<img src='https://img2.soutiyun.com/shangxueba/ask/17727001-17730000/17728519/2015102815263390018.jpg' />
设直杆的轴向变形不计,图示体系的动力自由度数为:()<img src='https://img2.soutiyun.com/shangxueba/ask/17739001-17742000/17739155/2015102814375026779.jpg' />
图示为正常胃的分型,结合图像,最可能的诊断为()<img src='https://img2.soutiyun.com/shangxueba/ask/17559001-17562000/17559293/201512011349153140.jpg' />
图示桁架中零杆的数目为(不包括支座链杆)()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/1306/20211118110617563.png' />
图示梁A点的竖向位移为(向下为正)()。<img src='https://img2.soutiyun.com/shangxueba/ask/2021-11/18/149/20211118110701962.png' />
图示结构杆端弯矩MBA(设左侧受拉为正)为:()。<img src='https://img.soutiyun.com/ask/zq/20210712/994934448215668.png' />