图示结构,质量m在杆件中点,EI=∞,弹簧刚度为k。该体系自振频率为( )。
考试:=$ecms_gr[fenlei]?>
科目:=$ecms_gr[kemu]?>(在线考试)
问题:
A:A
B:B
C:C
D:D
答案:
解析:
相关标签:
图示结构,质量m在杆件中点,EI=∞,弹簧刚度为k。该体系自振频率为( )。
VIP会员可以免费下载题库
推荐度:
点击下载文档文档为doc格式
热门排序
推荐文章
SQL Error: select id,classid,ttid,onclick,plnum,totaldown,newspath,filename,userid,username,firsttitle,isgood,ispic,istop,isqf,ismember,isurl,truetime,lastdotime,havehtml,groupid,userfen,titlefont,titleurl,stb,fstb,restb,keyboard,eckuid,title,titlepic,newstime,fenlei,fenlei_id,kemu,kemu_id,tixing,nandu,zj,zj_id,paper_id,questions from ***_ecms_tiku where (classid='96') and ispic=1 order by rand() DESC limit 1SQL Error: select id,classid,ttid,onclick,plnum,totaldown,newspath,filename,userid,username,firsttitle,isgood,ispic,istop,isqf,ismember,isurl,truetime,lastdotime,havehtml,groupid,userfen,titlefont,titleurl,stb,fstb,restb,keyboard,eckuid,title,titlepic,newstime,fenlei,fenlei_id,kemu,kemu_id,tixing,nandu,zj,zj_id,paper_id,questions from ***_ecms_tiku where (classid='96') and ispic=1 order by rand() DESC limit 10